Here is an example on how this could look like:
...
Access the App in the Apps Menu
...
Here is an example on how to create a personal subscription:
Here is an example to create a global subscription:
Here’s a comparison of the different options:This way we can create a Calendar Subscriptions, and add the Subscription URL to our calendar.
Then Add the Subscription to your Calendar.
For a more detailed walk-trough check the Shared Subscription step-by-step guide.