tx 0x283ef20c15e8b5f440fb4da1a9543d53a0bd8c1a8efd9d967a26f4be4c3a406fCopy

payload

{
  "ModifyOrder": {
    "new_size": 45718857,
    "order_id": 439891579,
    "new_price": null
  }
}