Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDwgMB5gU/SAvEXN2ghiP3qXkw9eNoL8Tg//yUDB+iNmG79XD8241F+63j3… (1,748 chars)"
  }
}