tx 0x287e3f0d67b7e0bd166c4ef76e9b8bd0583c1e5cb5f026d1f2bf0fecb0dd9a9bCopy

payload

{
  "ModifyOrder": {
    "new_size": 339389,
    "order_id": 30522875,
    "new_price": null
  }
}