Authorization: ********************curl --location --request GET 'https://api.neucron.io/v1/notification/settings' \
--header 'Authorization: <api-key>'{
"email_notifications": true,
"email_promo_notifications": true,
"real_time_notifications": true,
"sms_notifications": true,
"sms_promo_notifications": true,
"user_id": "string"
}