tx 0x972cbb63cde6ebe7e23e8fef1cfbdb37ca94ebdbcdc2fbb2a08c2bfadfb1c54bCopy

payload

{
  "ModifyOrder": {
    "new_size": 13265709,
    "order_id": 368535620,
    "new_price": null
  }
}