tx 0xf39e82cd732b6a20943be6e7c461b7b2098f0c5e0b0c146d30eecc35e59a5f1bCopy

payload

{
  "ModifyOrder": {
    "new_size": 350450,
    "order_id": 20656192,
    "new_price": null
  }
}