连接消息

{
    "authkey": "",
    "flag": 16777216,
    "receiver": 1688853790599424,
    "headImg": "https://mmbiz.qpic.cn/mmbiz_jpg/0oBxv6CfzTpWI5gwRZg3PTSmHNkCI6sfuqge5woWBCEMZKwWiaOyvBseEvq3hPNkc8h5Xe20nAnDwv0ictew7VWQ/300?wxtype=jpeg&wxfrom=0",
    "sender_name": "",
    "is_room": 0,
    "server_id": 12779517,
    "title": "不限户籍！济南新一轮300元现金补贴来了！",
    "url": "http://mp.weixin.qq.com/s?__biz=Mzk0ODE5OTg3OA==&mid=2247486862&idx=1&sn=341e039070001e40b35e3c3a221ec4b1&chksm=c36a0527f41d8c317008aa6ef7699ee501d8c139a02234c85e2bfe3345b9501f4780dd4d0852#rd",
    "send_time": 1671089268,
    "des": "美味君的福利  又双叒叕来啦！",
    "size": 0,
    "sender": 7881302555913738,
    "referid": 0,
    "app_info": "from_msgid_1491271774350930187",
    "readuinscount": 0,
    "state": "1",
    "aeskey": "",
    "msg_id": 1108392,
    "msgtype": 13
}