Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCDFNq8kRu2XTm78XTRA+IBYsLMWVDNBiJ50jWCJNFatms3yflUE9w7BvhH… (1,748 chars)"
  }
}