Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQB8KjLEFo9B9XWEsrgd2mGgWa6pQBpetPsAuM+Z+02GKHymq6b55Hz4UyFA… (1,748 chars)"
  }
}