tx 0x597753216f1f83c3f8abff3cb81ad017a80a129b7a8c5b9b1d8d1e7e2c6f9ea2Copy

payload

{
  "ModifyOrder": {
    "new_size": 2412400,
    "order_id": 12344048,
    "new_price": null
  }
}