tx 0xbf6a8191c14af7ddee9f7c519b6b9758dc1a6aea9bcb10cdc2b7fa2ecacffc6eCopy

payload

{
  "ModifyOrder": {
    "new_size": 509871909,
    "order_id": 3495560,
    "new_price": null
  }
}