Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDnTCXAJDCkO9CMdwA6yQ9/TXSdPu3/0yl+uoqRimykh3Mx+6+RMZjFjuKc… (844 chars)"
  }
}