tx 0xb8b1f29ffeca7fb7a783f8c5d7fe06b2cb302761e00bda9f83a8e52a6ad0fc2bCopy

payload

{
  "ModifyOrder": {
    "new_size": 4570295,
    "order_id": 20617890,
    "new_price": null
  }
}