Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCZl9GPu4RrNtw9pA1GGnZd2MCcSIWDvM/p6HhhLr8rtGbNxP536VcagRD7… (1,748 chars)"
  }
}