Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAmWcXLnG/w/YPjGnDrOUwwwDItkcFPEVIgUH8IQM2zeWW5t7aU3j6hBZ0X… (1,748 chars)"
  }
}