tx 0x485a5c5b0a7de8f6e7e4d858ed1b45abd32cdb8a0392d5c92b81f74bfb95001dCopy

payload

{
  "ModifyOrder": {
    "new_size": 7784438,
    "order_id": 51432844,
    "new_price": null
  }
}