tx 0x77dfc1b451c79e5fb21abbe31f5cdff8ec4d8f54f1c566a3ce6fb7c2cdc8fe8aCopy

payload

{
  "ModifyOrder": {
    "new_size": 15547698,
    "order_id": 413559914,
    "new_price": null
  }
}