tx 0x2f65e5fcf4ee4db4dc019a56b5f4ecbdaf8ee0c0b9b953e0b5a6e4731cfd0223Copy

payload

{
  "ModifyOrder": {
    "new_size": 421293715,
    "order_id": 452963531,
    "new_price": null
  }
}