tx 0x9975685b8c8dcb8b2a5c6fff8d4a8de4e1651dd1e6ee6fd7a9b84e9f9f30ff14Copy

payload

{
  "ModifyOrder": {
    "new_size": 1288221,
    "order_id": 12346734,
    "new_price": null
  }
}