Got to work by simplifying the code like this, with one issue:

...
my $parser = new XML::Simple;
my $data = $parser->XMLin($content);
my $result = $data->{'soap:Body'}{'soap:Fault'}{'detail'}{'MaxCode'};
print $result->{content};
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The only thing is that once the value of "$result" is empty, I am getting this:

Use of uninitialized value in string
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