The subscription created notification is sent when a subscription is created during the checkout flow or in the Billsby app.
{
"SubscriptionUniqueId": "6WJYRQ9V3G",
"CustomerUniqueId": "5VL9JC0NE0",
"SubscriptionStatus": "Active",
"BillsbyProductId": 17,
"BillsbyPlanId": 24,
"BillsbyCycleId": 35,
"Units": 1,
"Type": "SubscriptionCreated",
"Id": "fe15aa53-9e1f-45b6-9c1e-b90287cbc0ff"
}