Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHCF+w+RqbBnh7Y8PH9H15Sv9jAMEsYK1hVgzTwv14maQjJqIRbsObZkwYb… (844 chars)"
  }
}