tx 0x571a533c2fec03e7f6d6f5a47f6c085157e7d0ab6250f9e1dc0ecc3bdd3be2dfCopy

payload

{
  "ModifyOrder": {
    "new_size": 20633029,
    "order_id": 30404890,
    "new_price": null
  }
}