Data Tenant Subscription monitoring
- The DTSS Subscription Validation Service checks for errors.
 - The Get Subscription History service returns an array of prior subscriptions.
 
The Validate Subscription Request checks for errors in a subscription between a CT and a DT.
It should be run every time a subscription is modified and any reported errors must be resolved.
The Subscription History request can be used to get details of the changes that have been made to a subscription between a CT and DT.
- Who made the change and when the change was made?
 - What changes were made?
 - The complete old configuration.
 - The complete new configuration.