code: def deserialize(self, content_type, strdata):
          
          if content_type != 'application/json':
              raise ValueError('Unsupported content type "' + content_type + '"')
          return json.loads(strdata)
docs: Deserialize string of given content type.
  
          `self` unused in this implementation.
  
          >>> s = teststore()
          >>> s.deserialize('application/json', '{"id": "1", "name": "Toto"}')
          {u'id': u'1', u'name': u'Toto'}
          >>> s.deserialize('text/plain', 'id: 1, name: Toto')
          Traceback (most recent call last):
              ...
          ValueError: Unsupported content type "text/plain"