Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGak+RqkMCUVAGKKTqS4pvqWAR7/CNQk4Eo4KI7V8381l+eKgq42UPQuaCH… (1,748 chars)"
  }
}