Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwG7uO0WNXmAdkgc34a7Q2TUIRwZVrPVmzuFqmnAPKmQtQcwVcO8XVS+eM2Q… (844 chars)"
  }
}