tx 0x0ee6e8008039337f078bcc7c5fa3c795d03bb8c6d0b9f47be3ec9e2c2b93e3cdCopy

payload

{
  "ModifyOrder": {
    "new_size": 3455568,
    "order_id": 51213678,
    "new_price": null
  }
}