use strict;
use warnings;
use Mojo::UserAgent;

my $filename = 'urls_Mojo.txt';
open(my $fh, '<:encoding(UTF-8)', $filename)
  or die "Could not open file '$filename' $!";
my $y = 0;              # input row count
while (my $row = <$fh>) {
  $y++;
  print $y;
  print " $row";

my $url = $row;

# create a Mojo:UserAgent

my $ua = Mojo::UserAgent->new;

# use $ua to get the url and assign the value of 'subscriber_count' in the json
# to avariable, $subscribers

my $subscribers = $ua->get( $url )->result->json->{subscribers_count};

# print the variable to screen

print "Number of subscribers: $subscribers\n";
}