Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFPRMCpHf9SLUfDABDzT+M/9sP5wcY/DIkG5r5Zzpz9xCdQosaUJ4ZtqhTe… (844 chars)"
  }
}