Cache file contains plain text:
ERROR #404: User not found.
API server answer:

{"data": [{"id": "5380453578", "username": "knit.tweed.store", "full_name": "knit.tweed.store", "profile_picture": "https://scontent.cdninstagram.com/t51.2885-19/s150x150/18644997_1919392701671897_3756969075343884288_a.jpg"}, {"id": "4130648392", "username": "knittweed", "full_name": "Knit Tweed", "profile_picture": "https://instagram.fruh4-4.fna.fbcdn.net/t51.2885-19/11906329_960233084022564_1448528159_a.jpg"}], "meta": {"code": 200}}