Get Users using Management API with access_token

getuser.js

function getUserUsingManagementApi() {
    webAuth.checkSession(
      {
        audience: "https://aaguiar0.auth0.com/api/v2/",
        scope: 'read:current_user'
      },
      function(err, result) {

        if (!err) {
          var auth0Manage = new auth0.Management({
            domain: AUTH0_DOMAIN,
            token: result.accessToken
          });

          auth0Manage.getUser(result.idTokenPayload.sub, function(err, userInfo) {
            if (!err) {
              // use userInfo
            }
          });
        }
        else {
          console.logt('Could not get an API Management token ' +
              err.error_description
          );
        }
      }
    );
  }