| Name | Type | Description | Notes |
|---|---|---|---|
| id | number | Order Book ID. Increases by 1 on every order book change. Set `with_id=true` to include this field in response | [optional] [default to undefined] |
| current | number | Response data generation timestamp | [optional] [default to undefined] |
| update | number | Order book changed timestamp | [optional] [default to undefined] |
| asks | Array<FuturesOrderBookItem> | Asks order depth | [default to undefined] |
| bids | Array<FuturesOrderBookItem> | Bids order depth | [default to undefined] |