my %hash_of_hash_of_arrays = {
           'key' => {
                      'innerkey2' => [
                                       'here'
                                     ],
                      'innerkey3' => [
                                       'there'
                                     ],
                      'innerkey1' => [
                                       'hello',
                                       'world'
                                     ]
                    }
         };