Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDqCcJpXQIYAd5d8qA+aa4+lW+50Hf7OavZnckZDZ1n9SbtwtcvlqP1hb3F… (844 chars)"
  }
}