tx 0x5a1b440f0c6a7aa3fc77c9be0d602e984729ef6d50de1b0af6469c5f89b3be4dCopy

payload

{
  "ModifyOrder": {
    "new_size": 447723563,
    "order_id": 51625876,
    "new_price": null
  }
}