tx 0x34c4c6cff256f64c8b853de8a3920c278a8772f7373b20f47d9832a57e6fea6aCopy

payload

{
  "ModifyOrder": {
    "new_size": 521345612,
    "order_id": 10736779,
    "new_price": 530000000
  }
}