tx 0x6775a64c6d6546c2a4f0a4d25a2b4c5be9482fa9160f1b4cb8c2c36009eab18eCopy

payload

{
  "ModifyOrder": {
    "new_size": null,
    "order_id": 49773004,
    "new_price": 495000000
  }
}