Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQER2GN6sZ4GAXPXG09WXmcuEOY1IsX5B3m7zbpCpeqUaWBs7sCLz88oN7x9… (1,748 chars)"
  }
}