3 'mimetype': 'image/png',
4 'url': 'http://example.org/image.png',
5 'domain': 'example.org',
6 'source': 'http://example.org/foo.htm',
7 'sourcetitle': 'Alt text from linking HTML page',
9 'EXIF-description text'
12 'crdate': '2016-01-30T12:23:42+01:00',
13 'modate': '2016-01-30T12:23:42+01:00',