tx 0x38d9703f0819f0375b48f08fb6e6c8adc0cc5cffe4a8591032e8c7e7c4cf003eCopy

payload

{
  "ModifyOrder": {
    "new_size": null,
    "order_id": 10005804,
    "new_price": 29999000000
  }
}