Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBFvVw5NZQDZKzPnNNdu8ZP+VpWhfP75lUedghEcSFwBAxAHUO4PyYpN5Yp… (1,748 chars)"
  }
}