1Content-Type: text/x-vcard 2CHARSET=utf-8 3profile=vCard 4BEGIN:VCARD 5VERSION:2.1 6N:parent 7BEGIN:VCARD 8VERSION:2.1 9N:nest1 10END:VCARD 11BEGIN:VCARD 12VERSION:2.1 13N:nest2 14END:VCARD 15TEL:1 16END:VCARD 17