print $result->get_subscribers()->get_Subscriber().[1]->get_firstName;

##</code><code>##

print $result->get_subscribers->get_Subscriber->[0]->get_firstName;

##</code><code>##

print $result->get_subscribers->[0]->get_firstName;

##</code><code>##

print( ($result->get_subscribers)[0]->get_firstName );