tx 0x561c6c0477aa6f287a5b0ffd4c9fda8c55ad29e36bb4aadf560b5ebfc3f60f2bCopy

payload

{
  "ModifyOrder": {
    "new_size": 20515810,
    "order_id": 4450525,
    "new_price": null
  }
}