拒付结果通知

{
    "userId": "string",
    "chargebackId": "string",
    "tradeId": "string",
    "merTradeNo": "string",
    "chargebackAmount": 0,
    "chargebackCurrency": "CNY",
    "feeAmount": 0,
    "feeCurrency": "CNY",
    "chargebackStatus": "PENDING",
    "chargebackTime": "yyyy-MM-dd HH:mm:ss",
    "defensePeriodEndTime": "yyyy-MM-dd HH:mm:ss",
    "chargebackReason": "string"
}