my $response = $soap->call( ... )

##</code><code>##

  -> deserialize(join '', $response)

##</code><code>##

my @response = $soap->call( ... )
   ...
  ->deserialize(join '', @response)

##</code><code>##

my $response = $soap->call( ... )
   ...
  ->deserialize(join '', @$response)