Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEU/JXng8HG+dEBwkt0qs9lW8b6iZJBOJE9IiLHRXdpCRWdQr4imi0cE1cU… (844 chars)"
  }
}