Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGuWUxONZ/XCcg1WpLvLW2LO3U7zHMM3kI3oZr7d9g9RxZYv3oOGcRbRrD/… (844 chars)"
  }
}