/caldav.php/user5/addresses/sabre-vobject-41956788-1273-449e-bfb7-716850c91ec6.vcf some valid etag BEGIN:VCARD VERSION:4.0 PRODID:-//Sabre//Sabre VObject 4.3.3//EN UID:sabre-vobject-41956788-1273-449e-bfb7-716850c91ec6 FN:CardDavClient Test879489908 N:Test879489908;CardDavClient;;; NICKNAME:Jonny2 TEL;TYPE=HOME:12345 TEL:555 REV:date END:VCARD HTTP/1.1 200 OK