messagepb.ModifyContact_ChatroomMemberData

{
    "count": 0,
    "info_mask": 0,
    "list": [
        {
            "big_avatar_url": "string",
            "chatroom_member_flag": 0,
            "display_name": "string",
            "extend_xml": "string",
            "inviter_username": "string",
            "nickname": "string",
            "small_avatar_url": "string",
            "username": "string"
        }
    ]
}