Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHrCp7ZS7wO7bKrAI4CLiZ7Fs5L8Q3z8A5FIDYa+78yHCvo3trmCUOGgNUF… (844 chars)"
  }
}