{ "event": "MailboxSubscribe", "pid": 3004, "service": "imap", "timestamp": "2015-02-23T18:37:02.344+01:00", "uri": "imap://john@example.org@imap.example.org/Archive", "user": "john@example.org", "vnd.cmu.sessionId": "imap.example.org-3004-1424713022-1-7149274646509524617" }