Untitled Schema(usage_history)

{
    "usage_history_id": 1,
    "asset_id": 1,
    "reservation_id": 1,
    "actual_start_at": "string",
    "actual_end_at": "string",
    "actual_usage_time": "string",
    "start_at": "string",
    "end_at": "string",
    "usage_time": "string",
    "usage_ratio": -999999999.999,
    "created_at": "string",
    "created_by": -7.307508186654515e+47,
    "deleted_at": "string",
    "deleted_by": -7.307508186654515e+47
}