tx 0xf9963b8c21381db2f1533d0fc1abed6e82a2b6e00dccb77b2cbe6f0eb0b0107dCopy

payload

{
  "ModifyOrder": {
    "new_size": null,
    "order_id": 186013536,
    "new_price": 514000000
  }
}