tx 0x97a1dfb45a5b3921b961ddd2619bd3e8055e2cd9a6c4ea92a8e2a4a5c4a62c4aCopy

payload

{
  "ModifyOrder": {
    "new_size": 6245543,
    "order_id": 12010203,
    "new_price": 10353000000
  }
}