地址：https://api.weixin.qq.com/cgi-bin/message/mass/sendall?access_token=TOKEN

请求参数：

{

  “filter”: {

    “is_to_all”: true

  },

  “mpnews”: {

    “media_id”: “FtMCGFxikpOf7_43U1I0cxWcct2LiCCcq6zAkRk-sH_f9HEV3dxc5oohhaBbQcHv”

  },

  “msgtype”: “mpnews”,

  “send_ignore_reprint”: 1

}

返回：

{

“errcode”: -1,

“errmsg”: “system error hint: [QvD6Va08573947]”

}