GroupChildGroup

{
    "child_group_id": 0,
    "child_group": {
        "id": 0,
        "name": "string",
        "category": "string",
        "description": "string",
        "child_group_ids": [
            0
        ],
        "parent_group_ids": [
            0
        ],
        "manager_group_ids": [
            0
        ],
        "managed_group_ids": [
            0
        ],
        "created_at": "2019-08-24T14:15:22.123Z",
        "updated_at": "2019-08-24T14:15:22.123Z"
    }
}