ts_status_updated value in the response will indicate the last time the subscribed value was changed. If the customer has never been subscribed to a list, the subscribed value is false and the ts_status_updated value is null.explicit_opt_in Boolean value in the response will indicate if the email address explicitly consented to receive marketing messages, or if global marketing consent is null. Learn more about implicit and explicit consent in the Zaius Help Center. explicit_opt_in will be false when global marketing consent is false or null.