tx 0xf42b0337cf368c9c81dc9b802ab3c62c5ec0f4c5e81466f9c9ad7d9d6101a4afCopy

payload

{
  "ModifyOrder": {
    "new_size": 123543893,
    "order_id": 58423631,
    "new_price": null
  }
}