签约单号：contract_code=QY19102915375047519745999356

请求接口地址：https://api.mch.weixin.qq.com/papay/partner/h5entrustweb

完整请求参数：appid=***&clientip=***&contract_code=QY19102915375047519745999356&contract_display_account=Contract_test&mch_id=***&notify_url=***&plan_id=***&request_serial=191029153750507197459921&sub_mch_id=***&timestamp=1572334675&version=1.0&sign=385BE9A1F7A18AE7F2791300FA6615B4B0BFFD6DED426E9B98F74787C20ED5BE

微信接口返回响应：

<xml><return_code><![CDATA[SUCCESS]]></return_code>

<return_msg><![CDATA[]]></return_msg>

<result_code><![CDATA[FAIL]]></result_code>

<result_msg><![CDATA[INVALID_REQUEST]]></result_msg>

</xml>