mam when i change my input hash as the grouping means it cant replace the keys what changes i made on that code please tell mam its very urgent this is my input

my %xhash = ('a' => [{
                 'b' => [{
                        'e' => 'E',
                        'c' => 'C',
                        'content' => 'B
'
                      }],
                 'content' => 'A
',
                 'd' => 'D'
               }]);
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