MerchantApiContractSignV2Response

{
    "contractId": 123,
    "contractUrl": "https://www.baidu.com",
    "livenessUrl": "https://www.baidu.com",
    "orderNo": 1265356257711,
    "redirectUrl": "https://www.baidu.com",
    "signStatus": 0,
    "message": "成功"
}