GroupRecordResponseDto

{
    "id": 0,
    "activityId": 0,
    "leaderId": 0,
    "currentSize": 0,
    "status": "ONGOING",
    "startTime": "2019-08-24T14:15:22.123Z",
    "endTime": "2019-08-24T14:15:22.123Z"
}