Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCoSMmUi8A5WpIHF/yUDOqvNJsf4ni3wuDXdlJXvBC8cFl9KAWGN7BNLEvL… (844 chars)"
  }
}