ChatGroupSet

{
    "lastChatRoomGongGao": {
        "gonggaoId": 0,
        "roomId": 0,
        "groupName": "string",
        "msg": "string",
        "editTime": "2019-08-24T14:15:22.123Z"
    },
    "lastChatRoomBox": {
        "chatGroupBoxId": 0,
        "stockName": "string",
        "stockCode": "string",
        "boxMsgBody": "string",
        "addTime": "2019-08-24T14:15:22.123Z"
    },
    "memberList": [
        {
            "nicheng": "string",
            "imgUrl": "string",
            "chatGroupRole": 0,
            "teacherId": 0
        }
    ],
    "memberCount": 0,
    "groupName": "string",
    "groupImg": "string",
    "remark": "string",
    "isFollow": true
}