code: def update_identities(self, identities):
          
          content = self._serialize.body(identities, 'VssJsonCollectionWrapper')
          response = self._send(http_method='PUT',
                                location_id='28010c54-d0c0-4c89-a5b0-1c9e188b9fb7',
                                version='5.0',
                                content=content)
          return self._deserialize('[IdentityUpdateData]', self._unwrap_collection(response))
docs: UpdateIdentities.
          :param :class:`<VssJsonCollectionWrapper> <azure.devops.v5_0.identity.models.VssJsonCollectionWrapper>` identities:
          :rtype: [IdentityUpdateData]