tx 0x9dc6640c9ea64bc1e4c31e97d4ca99b9f0f1ca0ceb3c6bb00e23ebe1b6fd2f3eCopy

payload

{
  "ModifyOrder": {
    "new_size": 1991505,
    "order_id": 21580203,
    "new_price": null
  }
}