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            { 
                "name": "My Subscription", 
                "notificationUrl": "https://customerEventNotifications.custommer.com/notificationsEndPoint", 
                "eventType": "{EVENT_TYPE}", // The event - either CustomerInvoice.Posted or DeliveryNote.Dispatched 
                "D365CustomerId": "{YOUR_DATA3_CUSTOMER_ID}" // This will be your Data#3 customer code - it should look something like "C0123456" 
            }