tx 0x457d8e959afbaf33cdc1bfa4c8a649394d3cbcbf9536bea6fccfd5aeafd9c3c9Copy

payload

{
  "ModifyOrder": {
    "new_size": 1449469099,
    "order_id": 12129217,
    "new_price": null
  }
}