Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH+TcAPvN6HiQC6HaGqWTgRKfyQBgd2M7WdIT1mJYF5iURplTPiKLzNtWvJ… (844 chars)"
  }
}