链接消息

{
   "data" : {
      "from_wxid" : "xxxxxxx",
      "raw_msg" : "<?xml version=\"1.0\"?>\n<msg>xxxxxx</msg>",
      "room_wxid" : "",
      "to_wxid" : "wxid_xxxxxx",
      "wx_type" : 49,
      "wx_sub_type" : 5
   },
   "type" : 11048
}