Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwIyXIvUmXWPAAchjtAo4UqAcuJGaI6T3w9bEfazpCTyKGDgTIjJk6S3LylL… (844 chars)"
  }
}