获取我的群组列表

{
    "code": 1,
    "message": "获取我的群组成功",
    "data": [
        {
            "group_id": "g_Ab3Xy9Mn4Kp8",
            "group_name": "技术交流群",
            "group_avatar": "https://example.com/avatar.jpg",
            "group_type": "normal",
            "created_at": "2024-01-01T12:00:00Z"
        },
        {
            "group_id": "g_Cd7Ef2Hi9Jk1",
            "group_name": "生活分享群",
            "group_avatar": "https://example.com/avatar2.jpg",
            "group_type": "normal",
            "created_at": "2024-01-02T12:00:00Z"
        }
    ]
}