Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBwF3ZTDzAtzy0LBaUW9ZkKm8SaEBMW7K9NmV4j7DhS0WPy0mq4IleUyTPJ… (844 chars)"
  }
}