Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEPS6fk84aaK4pjJGg7iFOX/74MLsoYtWtMOYoJgb/kUzwzFy6wv5i1/lS0… (844 chars)"
  }
}