构建订单请求参数«代付下单参数»(构建订单请求参数«代付下单参数»)

{
    "appId": "string",
    "bizContent": {
        "amount": 0,
        "appChannelSn": "string",
        "attach": "string",
        "bankAccountType": 0,
        "bankCardName": "string",
        "bankCardNo": "string",
        "bankCardPhone": "string",
        "bankCityCode": "string",
        "bankCode": "string",
        "bankProvinceCode": "string",
        "branchCode": "string",
        "clientIp": "string",
        "description": "string",
        "feeCharge": 0,
        "mchPayoutNo": "string",
        "notifyUrl": "string",
        "receiveType": "string",
        "subject": "string"
    },
    "charset": "string",
    "requestId": "string",
    "sign": "string",
    "signType": "string",
    "subSn": "string",
    "timestamp": 0,
    "version": "string"
}