Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFg3LSJrqE/JCcYrVTqeWWpLFW4qZYo9WI7fWgBHFAVYHfZNerBZg/c3zDJ… (844 chars)"
  }
}