Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCa1uGqKb/fZC1nKnpW3xRxD8slr8Qq7K/N6AKB1PeeuiloM+l9cUydnbQw… (844 chars)"
  }
}