Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQACE/lyM76qtSxWlzzqK/oB0LCKhZmpVNzpFquxug+0qF9v2+WUbpgSUBiI… (1,748 chars)"
  }
}