https://dev.preview.com/oauth2/default/v1/authorize?client_id=xxxxxxxxxxxxxxxxxxxxx&response_type=code&scope=openid&redirect_uri=http%3A%2F%2Ftestchandan.com%3A5001&state=1234&nonce=UBGW

##</code><code>##

use strict;
#use warning;
use JSON;
use JSON::WebToken;
use LWP::UserAgent;
use HTML::Entities;
use LWP::Authen::OAuth2;
use HTTP::Request;
use Data::Dumper;
use HTTP::Headers;

my $ua = LWP::UserAgent->new();

$ua->proxy([ 'http' ], 'http://proxy.myorg.com:8080');

my $response1 = $ua->get(
    'https://dev.preview.com/oauth2/default/v1/authorize?',
    client_id => '******************',
    response_type => 'code',
    scope => 'openid',
    redirect_uri => 'http%3A%2F%2Ftestchandan.com%3A5001',
    state => '1234',
    nonce => 'UBGW'
);

print Dumper ($ua);

unless($response1->is_success()) {
   die($response1->code, "\n", $response1->content, "\n");
}