Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHDP/JVG0rjOgk0Fh3P8E+qlgzRgsWLLkvOONDZ7de+5Tt7uqOJqtc7YmbM… (844 chars)"
  }
}