Organization Id of the Organization that you are working with. This can be found by looking at the organization id in the URL of the dashboard. These are randomly generated alphanumber values

The subscription identifier can be used to return a report subscription . You can get the subscription_id using the GET call /organizations/:organization_id/reportsubscriptions which will return all of the subscriptions which have been created within your organization

The report subscription recipient email address. You can get all recipient email addresses for a specific subscription using the GET call /organizations/:organization_id/reportsubscriptions/:subscription_id which will return all of the subscriptions (and the recipients) which have been created within your organization