质押物记录
| Name | Type | Description | Notes |
|---|---|---|---|
| order_id | int | 订单id | [optional] |
| record_id | int | 质押物记录 id | [optional] |
| borrow_currency | str | 借款币种 | [optional] |
| borrow_amount | str | 借款数量 | [optional] |
| collateral_currency | str | 质押币种 | [optional] |
| before_collateral | str | 调整前质押数量 | [optional] |
| after_collateral | str | 调整后质押数量 | [optional] |
| before_ltv | str | 调整前质押率 | [optional] |
| after_ltv | str | 调整后质押率 | [optional] |
| operate_time | int | 操作时间，时间戳，单位秒 | [optional] |