Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA3WC3TRcm2n/WMRpCocIYXQ5ERpd8wPnWd7wm8kGKOtzwHKv2K8uVoD0du… (844 chars)"
  }
}