I've never used this module but what happens if you substitute this: 
$uuts->{People} = [ @fields ];

[download]

with this (array ref):

$uuts->{People} = \@fields;

[download]

or this:

$uuts->{People} = @fields;

[download]

In reply to Re: Merging multiple JSON files into one using JSON::XS by frozenwithjoy
in thread Merging multiple JSON files into one using JSON::XS by walkingthecow

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