tx 0x321a1f7ee3f838c0acad1c1d5e1a1a717feb75ddb9fe7aef743b2fc4ecd2cc6bCopy

payload

{
  "ModifyOrder": {
    "new_size": 6458917,
    "order_id": 17479574,
    "new_price": null
  }
}