$VAR1 = {
          'data' => {
                      'test4' => {
                                   'abcdwxyz1' => {
                                                    'abcdwxyz1' => {
                                                                     'abcdwxyz1' => {
                                                                                      'abcdwxyz1' => undef,
                                                                                      'abcdwxyz3' => undef,
                                                                                      'abcdwxyz2' => undef
                                                                                    },
                                                                     'abcdwxyz3' => {
                                                                                      'abcdwxyz1' => undef,
                                                                                      'abcdwxyz3' => undef,
                                                                                      'abcdwxyz2' => undef
                                                                                    },
                                                                     'abcdwxyz2' => {
                                                                                      'abcdwxyz1' => undef,
                                                                                      'abcdwxyz3' => undef,
                                                                                      'abcdwxyz2' => undef
                                                                                    }
                                                                   },
...