Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEaJj1jSIze92DWV6nxM3hvJgKdcv3IzWAXv0bZEaGcOzNeI15zW8xkWi/i… (844 chars)"
  }
}