$tcl_data =~ s/([^{}\s]+)/'$1',/g;    # quote words + comma
$tcl_data =~ s/{/[/g;                 # start list
$tcl_data =~ s/}/],/g;                # end list + comma

#print $tcl_data;

my @perl_arr = eval($tcl_data);       # interpret as Array of AoAoA...

use Data::Dump 'pp';

pp @perl_arr;