Get Product-Benefits Npay from Naver

{
    "optimalDiscount": {
        "totalDiscountResult": {
            "summary": {
                "sellerImmediateDiscountAmount": 1540,
                "managerImmediateDiscountAmount": 0,
                "multiPurchaseDiscountAmount": 0,
                "productDiscountAmount": 0,
                "productDuplicationDiscountAmount": 0,
                "storeDiscountAmount": 0,
                "totalPayAmount": 6160,
                "couponDiscountAmount": 0,
                "immediateDiscountAmount": 1540,
                "cardPromotionDiscountAmount": 0
            },
            "discounts": {
                "sellerImmediateDiscountSummary": {
                    "policyUniqueId": "SE_11075291385",
                    "discountAmount": 1540,
                    "selectedItems": [
                        {
                            "itemId": "11127759283",
                            "productClassType": "SINGLE",
                            "itemDiscountAmount": 1540
                        }
                    ],
                    "discountPolicyType": "IMMEDIATE",
                    "benefitValue": 20,
                    "benefitUnitType": "PERCENT",
                    "couponKindType": "IMMEDIATE",
                    "policySeq": "SE_11075291385"
                }
            }
        },
        "applicablePolicies": {
            "sellerImmediateDiscount": {
                "discountPolicyType": "IMMEDIATE",
                "benefitValue": 20,
                "benefitUnitType": "PERCENT",
                "couponKindType": "IMMEDIATE",
                "policySeq": "SE_11075291385"
            },
            "multiPurchaseDiscount": {
                "discountPolicyType": "MULTI_PURCHASE",
                "benefitValue": 1,
                "benefitUnitType": "PERCENT",
                "couponKindType": "MULTI_PURCHASE",
                "orderValue": 3,
                "orderUnitType": "COUNT",
                "policySeq": "MP_11075291385"
            }
        },
        "productInfo": {
            "channelProductNo": 11127759283,
            "branchMultiProductYn": false,
            "accountNo": 102157344,
            "salePrice": 7700,
            "totalOrderAmount": 7700,
            "deliveryFeeType": "CONDITIONAL_FREE",
            "baseFee": 3000,
            "deliveryFeePayType": "PREPAID",
            "productDeliveryDetailResponse": {
                "freeConditionalAmount": 1000000
            },
            "exceptionalCategoryCodes": [],
            "items": [
                {
                    "id": "11127759283",
                    "price": 0,
                    "quantity": 1,
                    "orderAmount": 7700,
                    "productClassType": "SINGLE"
                }
            ],
            "isSimulatePossible": true
        },
        "cardBenefitDisplay": {
            "layer1": {
                "text": "라인프렌즈 카드 최대 123원 추가 적립(2%)",
                "type": "ACM",
                "promotionUrl": "https://mkt.naver.com/event/npay-shinhanassociated"
            },
            "layer2": {
                "text": "최대 {N}개월 무이자 할부 • 60개월 특별금리",
                "type": "INTEREST_FREE",
                "promotionUrl": ""
            },
            "promotionList": [
                {
                    "text": "최대 {N}개월 무이자 할부 • 60개월 특별금리",
                    "type": "INTEREST_FREE",
                    "promotionUrl": ""
                },
                {
                    "text": "최대 60개월 특별금리 할부",
                    "type": "CARD_INTEREST_FREE",
                    "promotionUrl": "https://campaign2.naver.com/npay/specialhalbu/"
                },
                {
                    "text": "네이버페이 쇼핑엔로카 12개월 무이자 할부",
                    "type": "CARD_INTEREST_FREE",
                    "promotionUrl": "http://mkt.naver.com/event/npay-loca"
                }
            ]
        },
        "userInfo": {
            "isUserMembership": false,
            "isShoppingJoin": false
        }
    },
    "productBenefit": {
        "benefitsPolicy": {
            "freeInterestValue": 3,
            "givePresent": false,
            "managerBankbookAccumulatePolicyNo": 13927943816488,
            "managerBankbookAccumulateValue": 0.5,
            "managerBankbookAccumulateValueUnit": "PERCENT",
            "managerMaxBankbookAccumulateAmount": 10000,
            "managerMaxPaymoneyAccumulateAmount": 30000,
            "managerMaxPurchasePointAmount": 100000,
            "managerPaymoneyAccumulatePolicyNo": 439583905,
            "managerPaymoneyAccumulateValue": 1.5,
            "managerPaymoneyAccumulateValueUnit": "PERCENT",
            "managerPurchasePointPolicyNo": 10511031105304,
            "managerPurchasePointValue": 1,
            "managerPurchasePointValueUnit": "PERCENT",
            "multiPurchaseDiscountValue": 1,
            "multiPurchaseDiscountValueUnit": "PERCENT",
            "multiPurchaseOrderUnit": "COUNT",
            "multiPurchaseOrderValue": 3,
            "presentContent": "빠른배송",
            "sellerAfterUsePhotoVideoReviewPoint": 100,
            "sellerAfterUseTextReviewPoint": 100,
            "sellerGeneralPurchaseReviewPoint": 100,
            "sellerImmediateDiscountPolicyNo": "SE_11075291385",
            "sellerImmediateDiscountValue": 20,
            "sellerImmediateDiscountValueUnit": "PERCENT",
            "sellerPhotoVideoReviewPoint": 100,
            "sellerPremiumReviewPoint": 100,
            "sellerPurchasePointPolicyNo": 27301788107,
            "sellerPurchasePointValue": 1,
            "sellerPurchasePointValueUnit": "PERCENT",
            "sellerReviewPointPolicyNo": 27301788108,
            "sellerStoreMemberReviewPoint": 100,
            "sellerTextReviewPoint": 100
        },
        "benefitsView": {
            "afterUsePhotoVideoReviewPoint": 100,
            "afterUseTextReviewPoint": 100,
            "discountedRatio": 20,
            "discountedSalePrice": 6160,
            "dispDiscountedRatio": 20,
            "dispDiscountedSalePrice": 6160,
            "freeInterestValue": 3,
            "generalPurchaseReviewPoint": 100,
            "givePresent": false,
            "managerAfterUsePhotoVideoReviewPoint": 0,
            "managerAfterUseTextReviewPoint": 0,
            "managerArrivalGuaranteePoint": 0,
            "managerBankbookAccumulatePoint": 30,
            "managerGeneralPurchaseReviewPoint": 50,
            "managerImmediateDiscountAmount": 0,
            "managerMembershipArrivalGuaranteePoint": 0,
            "managerPaymoneyAccumulatePoint": 92,
            "managerPhotoVideoReviewPoint": 150,
            "managerPremiumPurchaseReviewPoint": 150,
            "managerPurchaseExtraPoint": 0,
            "managerPurchasePoint": 61,
            "managerTextReviewPoint": 50,
            "mobileDiscountedRatio": 20,
            "mobileDiscountedSalePrice": 6160,
            "mobileManagerArrivalGuaranteePoint": 0,
            "mobileManagerBankbookAccumulatePoint": 30,
            "mobileManagerImmediateDiscountAmount": 0,
            "mobileManagerMembershipArrivalGuaranteePoint": 0,
            "mobileManagerPaymoneyAccumulatePoint": 92,
            "mobileManagerPurchaseExtraPoint": 0,
            "mobileManagerPurchasePoint": 61,
            "mobileSellerCustomerManagementPoint": 0,
            "mobileSellerImmediateDiscountAmount": 1540,
            "mobileSellerPurchasePoint": 61,
            "photoVideoReviewPoint": 100,
            "premiumPurchaseReviewPoint": 100,
            "presentContent": "빠른배송",
            "sellerCustomerManagementPoint": 0,
            "sellerImmediateDiscountAmount": 1540,
            "sellerPurchasePoint": 61,
            "specialDiscountAmount": {},
            "storeMemberReviewPoint": 100,
            "textReviewPoint": 100
        }
    },
    "verticalPromotionTypes": [],
    "exposurePoints": {
        "managerPurchasePoint": 61,
        "managerPurchaseExtraPoint": 0,
        "normalInflowBenefitPoints": [],
        "membershipInflowBenefitPoints": [],
        "normalInflowBenefitPoint": 0,
        "membershipInflowBenefitPoint": 0,
        "totalInflowBenefitPoint": 0,
        "regularMembershipInflowBenefitPoints": [],
        "superPoint": 0,
        "membershipSuperPoint": -184,
        "petVoucherPoint": 0,
        "babyVoucherPoint": 0,
        "sellerPurchasePoint": 61,
        "sellerCustomerManagementPoint": 0,
        "textReviewPoint": 150,
        "photoVideoReviewPoint": 250,
        "afterUseTextReviewPoint": 100,
        "afterUsePhotoVideoReviewPoint": 100,
        "storeMemberReviewPoint": 100,
        "managerReviewPoint": 150,
        "totalReviewPoint": 450,
        "membershipMaxPoint": 20000,
        "membershipInitialPaymentPoint": 246,
        "membershipExtraPaymentPoint": 0,
        "membershipJoinExpectPoint": 246,
        "membershipJoinedPoint": 0,
        "membershipCardExpectPoint": 431,
        "payChargeExpectPoint": 122,
        "rentalManagerPurchasePoint": 0,
        "rentalManagerPurchaseExtraPoint": 0,
        "rentalSellerGiftPoint": 0,
        "rentalSellerScheduledExtraPoint": 0,
        "totalRentalPoint": 0,
        "totalManagerAdmittedPoint": 61,
        "totalSellerAdmittedPoint": 61,
        "totalMembershipAdmittedPoint": 677,
        "totalPaymentAdmittedPoint": 122,
        "totalMembershipAndPaymentAdmittedPoint": 677,
        "initialPaymentFee": 6160,
        "monthlyPaymentFees": [],
        "totalPaymentFee": 6160
    },
    "membershipBenefit": {
        "memberEventPointExposureName": null,
        "nonMemberEventPointExposureName": null,
        "isNaverMembershipPointExcluded": false,
        "isNaverMembershipBannerExcluded": false
    }
}