Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQByrrPK6Z0GoGxYEKpA77/RCPPhVuX1oMFuO7nvjcYOx0CvMfQsdaI6GcFo… (1,748 chars)"
  }
}