V2OwnContract

{
    "id": 0,
    "name": "string",
    "start_date": "2019-08-24",
    "end_date": "2019-08-24",
    "price": null,
    "course_seats": [
        {
            "id": 0,
            "bID": 0,
            "short_name": "string",
            "name": "string",
            "start_date": "string",
            "end_date": "string"
        }
    ]
}