Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBlKB73u3yC0QD8P1BdsFC+34jfzGbtjmLZYywlZVZ9b1y7PcYLhYv+znKZ… (1,748 chars)"
  }
}