Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG1qgLN3EsxBJGwMfCY/ioWmGN3RJByA9zkUbBprUXF2Rm+db0bXBkh6hkp… (844 chars)"
  }
}