tx 0xb84d20a99906b6c8b87eecc2d7c0c9d0be0d2b4cf75b976bb3c35343d653d13eCopy

payload

{
  "ModifyOrder": {
    "new_size": 709719,
    "order_id": 20273437,
    "new_price": null
  }
}