curl --request GET \
  --url http://localhost:3000/v1/scanner/notifications/preferences

{
  "preferences": {
    "order_received": true,
    "customer_arrived": true,
    "task_assigned": true,
    "sweep_arrived": true,
    "shift_starting": true,
    "schedule_posted": true,
    "partner_brand_application": true,
    "partner_product_application": true,
    "email_enabled": true,
    "quiet_hours_enabled": true,
    "quiet_hours_start": "<string>",
    "quiet_hours_end": "<string>",
    "suppress_while_in_app": true
  }
}