Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCU1QyYG5iNguDIzTuEEUiTi3wtjRmzaUFjwLSB8AVC3E0+JIgamCwh/K65… (844 chars)"
  }
}