Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwKGkWPlPKWu9JShNCvXQeQ+iWiK+BnNkUqRn5OJkRvxZS8f1MCn0w0uDjhy… (844 chars)"
  }
}