Authorization: Bearer ********************curl --location --request GET '/user/notifications/preferences' \
--header 'Authorization: Bearer <token>'{
"user_id": 0,
"email_notifications": true,
"low_balance_threshold": 10,
"trial_expiry_reminder_days": 1,
"plan_expiry_reminder_days": 7,
"usage_alerts": true,
"webhook_url": "string",
"created_at": "2019-08-24T14:15:22Z",
"updated_at": "2019-08-24T14:15:22Z"
}