Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCHk/U9y7Lq1a7nujmZ0NfuJB/9vzZFVD9wZ7bzpdZ3i0iryIwHAweXz9To… (1,748 chars)"
  }
}