tx 0x7881e7b08c5e370b72d23ff74702f19f53e0e03b502aefb8b07d0c66f29d4a7bCopy

payload

{
  "ModifyOrder": {
    "new_size": 417264969,
    "order_id": 6447957,
    "new_price": null
  }
}