`dnd_updated_user`: Failed to parse to a known event

```
Object (fromList [("dnd_status",Object (fromList [("next_dnd_end_ts",Number 1.0),("dnd_enabled",Bool False),("next_dnd_start_ts",Number 1.0)])),("user",String "UREDACTED"),("event_ts",String "1526333245.000516"),("type",String "dnd_updated_user")])
Failed to parse to a known event
Please report this failure to the github issue tracker
```