code: def get_workspace_activities(brain, limit=1):
      mb = queryUtility(IMicroblogTool)
      items = mb.context_values(brain.getObject(), limit=limit)
      return [
          {
              'subject': item.creator,
              'verb': 'published',
              'object': item.text,
              'time': {
                  'datetime': item.date.strftime('%Y-%m-%d'),
                  'title': item.date.strftime('%d %B %Y, %H:%M'),
              }
          } for item in items
      ]