{"ok":true,"format":"nik16","normalized":"1871014102900002","parts":null,"nik":{"ok":true,"format":true,"region":{"kode":"18.71","kabupaten_kota":"Kota Bandar Lampung","provinsi":"Lampung"},"birth_date":"1990-02-01","gender":"P","agrees":{},"notes":[]},"checks":["16-digit NIK-based NPWP: region code, encoded birth date and gender"],"notes":[],"note":"Structural check only. A 16-digit NPWP is the holder's NIK and gets the full region/birth-date/gender check; the 15-digit legacy form is checked for structure only. Neither proves the number was actually issued."}