code: function(userId, callback) {
        if (!userId) return callback(new Error(utils.i18n.identities.id));
        utils.debug('Identities get: ' + userId);
  
        request.get({
          path: '/users/' + userId + '/identity'
        }, callback);
      }
docs: Retrieve an Identity
  
  @param  {String}   userId  User ID
  @param  {Function} callback        Callback function