Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGRmqCLsKYQB/ZW7AH9lMIUblT+Jh8LY/MYu4ncQviFyRs0GttIJRw6WrNv… (844 chars)"
  }
}