tx 0x12a81e0f8f58e3be8ae76cbe851ed8d947d8caf8d07df53f2bdcf115eaafbf5cCopy

payload

{
  "ModifyOrder": {
    "new_size": 133769570,
    "order_id": 15490207,
    "new_price": null
  }
}