$VAR1 = {
     'some_unique_key3' => {
                             'Submitted Date' => 'submitted_date3',
                             'Metadata' => 'metadat_3'
                           },
     'some_unique_key2' => {
                             'Submitted Date' => 'submitted_date2',
                             'Metadata' => 'metadata_2'
                           },
     'some_unique_key1' => {
                             'Submitted Date' => 'submitted_date1',
                             'Metadata' => 'meta_data_1'
                           }
   };