微信小程序订阅消息文档错误的json格式：

JSON 格式示例

{
  "ToUserName": "gh_123456789abc",
  "FromUserName": "o7esq5OI1Uej6Xixw1lA2H7XDVbc",
  "CreateTime": "1620973045",
  "MsgType": "event",
  "Event": "subscribe_msg_popup_event",
  "List": [   {
        "TemplateId": "hD-ixGOhYmUfjOnI8MCzQMPshzGVeux_2vzyvQu7O68",
        "SubscribeStatusString": "accept",
        "PopupScene": "0"
    }],
 }