Verifies an endpoint owner's intent to receive messages by validating the token
sent to the endpoint by an earlier Subscribe action.
If the token is valid, the action creates a new subscription and returns its
Amazon Resource Name (ARN).

C# |
ConfirmSubscriptionResponse ConfirmSubscription( ConfirmSubscriptionRequest request )

- request (ConfirmSubscriptionRequest)
- Confirm Subscription request

Confirm Subscription Response from the service

This call requires an AWS signature only when the AuthenticateOnUnsubscribe
flag is set to "true".