Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEH/Eju3j8EzR845bXwUl6kUbaab8wFoKqYf0+pKsrIYlw9KIUyK2xkJsZg… (844 chars)"
  }
}