{ "event": "MailboxUnSubscribe", "pid": 3003, "service": "imap", "timestamp": "2015-02-23T18:37:19.482+01:00", "uri": "imap://john@example.org@imap.example.org/Testfolder_renamed", "user": "john@example.org", "vnd.cmu.sessionId": "imap.example.org-3003-1424713039-1-2806700531460584176" }