confirmSubscription
abstract suspend fun confirmSubscription(input: ConfirmSubscriptionRequest): ConfirmSubscriptionResponse
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). This call requires an AWS signature only when the AuthenticateOnUnsubscribe
flag is set to "true".