Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwH/3YF1wNu0vkQWV+T8o8gRfTJlKcY5DlIMh37UOKdNumls/mxnfPB4mP7Y… (844 chars)"
  }
}