| Name | Type | Description | Notes |
|---|---|---|---|
| id | Number | Order book ID, which is updated whenever the order book is changed. Valid only when `with_id` is set to `true` | [optional] |
| current | Number | The timestamp of the response data being generated (in milliseconds) | [optional] |
| update | Number | The timestamp of when the orderbook last changed (in milliseconds) | [optional] |
| asks | [[String]] | Asks order depth | |
| bids | [[String]] | Bids order depth |