The formatting of a nice message for this event hasn't been implemented yet, so 
I'll just put an XML dump of the event here.

<ns:collectionUpdated xmlns:ns="http://outerx.org/daisy/1.0";>
  <ns:oldCollection>
    <ns:collection name="cocoon-documentation" updatecount="1" id="9" 
lastModified="2006-08-23T16:49:37.000Z" lastModifier="247"/>
  </ns:oldCollection>
  <ns:newCollection>
    <ns:collection name="cdocs" updatecount="2" id="9" 
lastModified="2006-10-06T11:48:45.494Z" lastModifier="247"/>
  </ns:newCollection>
</ns:collectionUpdated>