Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCHLI1zQRWtXODOGgYWk77lz6pNZ8e33Mgvgcvo3UNqW1ZuYFgt8dVzq1yQ… (1,748 chars)"
  }
}