{
    "ToUserName": "gh_abcdefg",
    "FromUserName": "oABCD",
    "CreateTime": 1533042556,
    "MsgType": "event",
    "Event": "cancel_waybill",
    "BizID": "xyz",
    "BizPwd": "xyz123",
    "ShopAppID": "wxABCD",
    "OrderID": "012345678901234567890123456789",
    "WayBillID": "123456789"
}