tx 0x975272464c9c671b2a348aeb6c6e7b3d6a01fe8b9f31fae15c29f94bf6ebb8bfCopy

payload

{
  "ModifyOrder": {
    "new_size": 17763571,
    "order_id": 13297267,
    "new_price": null
  }
}