Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDdyL5hvWUiygDBMLoz4Szdun9ztr+IM1jAiKyoOJq6PFmjqAy8/+C2g5t+… (1,748 chars)"
  }
}