{"ok":true,"format":true,"region":{"kode":"18.71","kabupaten_kota":"Kota Bandar Lampung","provinsi":"Lampung"},"birth_date":"1990-02-01","gender":"P","agrees":{},"notes":[],"note":"Structural check only: 16-digit format, the region code against official Kepmendagri data, and the birth date and gender the number encodes. It cannot tell a real NIK from a well-formed fabrication."}