tx 0x597c34f68c7d0b8e6ae3f4411d21d3bde3f9d49b9c5fbbe0b576ff6016ee5b1aCopy

payload

{
  "ModifyOrder": {
    "new_size": 3283587,
    "order_id": 51431779,
    "new_price": null
  }
}