docs: def requestMapIdentityResponse(self, subject, vendorSpecific=None):
          """CNIdentity.requestMapIdentity(session, subject) → boolean
          https://releases.dataone.org/online/api-
          documentation-v2.0.1/apis/CN_APIs.html#CNIdentity.requestMapIdentity.
  
          Args:
            subject:
            vendorSpecific:
  
          Returns:
  
          """
          mmp_dict = {'subject': subject.toxml('utf-8')}
          return self.POST('accounts', fields=mmp_dict, headers=vendorSpecific)