Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGTvSqKEHSnoGzH62c69Qr/Y2b753JKgx0NpHofx0ymam8TQy9F8qoOL6DB… (1,748 chars)"
  }
}