$VAR1 = [
          {
            'columns' => [
                           {
                             'test' => '87588',
                             'test1' => '87588',
                             'test2' => '0'
                           },
                           {
                             'test' => '87588',
                             'test1' => '87588',
                             'test2' => '0'
                           },
                       ]
          }
        ];


##</code><code>##

  map {
	  map{ $total_value += $_->{test1} ; } @{$_->{columns}};
	} @{$testsub->result()}; 
      }