Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBZHqQ7pqZFQZYQmimd7cVTYR6vqQFRHE6XefNc+RaRACo8t/CYaOJkRVNj… (844 chars)"
  }
}