execute.js

personalization({
    endpoint: '/user_recommendations',
    userId: req.user.sub, // id is extracted from the jwt
})
.then(users => {
    // iterate over users and enrich
    users.map(user => {
        // do something with the user data
    });
})
.catch(err => {
    res.status(503).send(err.response.data);
});