tx 0x864ec1ab2601b3b83168a2a4f16926eebb1c333a4ce6cf9dd2e0abcdc668c18aCopy

payload

{
  "ModifyOrder": {
    "new_size": 6229162,
    "order_id": 12342044,
    "new_price": 10379000000
  }
}