tx 0x2b2b18fa667d5dc8cc16a1647db76b3f7c4f1d0e9f0b5dae4069bdf8099b1f7dCopy

payload

{
  "ModifyOrder": {
    "new_size": 9798708,
    "order_id": 15734541,
    "new_price": null
  }
}