function checkAuthentication(req, res, next){
  if (!req.headers.authorization) {
     return res.status(401).send({ message: 'Please make sure your request has an Authorization header' });
  }
  console.log("Here");
  var token = req.headers.authorization.split('.')[1];
  console.log(token);
  console.log(config.secret);
  var payload = null;
  try {
    console.log("And here....");
    payload = jwt.decode(token, config.secret);
    console.log(payload);
  }
  catch (err) {
    console.log("NO!!!!!");
    return false;
  }

  if (payload.exp <= moment().unix()) {
    return false;
  }
  req.user = payload.sub;
  return true;
}

Here
eyJzdWIiOiI1NmEyZDk3MWQwZDg2OThhMTYwYTBkM2QiLCJleHAiOjE0NTYxOTEyNzQsImlhdCI6MTQ1NTMyNzI3NH0
VerySecretPhrase
And here....
NO!!!!!

app.factory('httpInterceptor', function($q, $store, $window) {
return {
    request: function (config){
        config.headers = config.headers || {};
        if($store.get('token')){
            var token = config.headers.Authorization = 'Bearer ' + $store.get('token');
        }
        return config;
    },
    responseError: function(response){
        if(response.status === 401 || response.status === 403) {
            $window.location.href = "http://localhost:3000/login";
        }
        return $q.reject(response);
    }
};
});