tx 0x4d21fdb2a3204b0e34ded3fc87f7ae1d328e3d8ddfdd199e4a8a9be80fc9ba4bCopy

payload

{
  "ModifyOrder": {
    "new_size": 1432040,
    "order_id": 18216519,
    "new_price": null
  }
}