message: correct var type
diff: @@ -4,7 +4,7 @@ const { JWT_SECRET, USER_FIELDS } = require('./config');
  module.exports = {
  generateJwtToken: function(user) {
  - const custom_claims = {};
  + let custom_claims = {};
  USER_FIELDS.forEach(user_field => {
  custom_claims['x-hasura-' + user_field.replace('_', '-')] = user[user_field].toString();
  