sub new {
    my $class = shift;
    my %vars = @_;

    $vars{'error'}      = '';

    $vars{'reply'}      =  {
        'status'        => 'noaction',
        'sent_to'       => [ ],
        'sent_to_all'   => 'false',
    };
    
    if (exists $ENV{'GATEWAY_INTERFACE'}) {
        read(STDIN, $vars{'payload'}, $ENV{'CONTENT_LENGTH'});
        $vars{'webhook'} = decode_json($vars{'payload'}) if $vars{'payload'};
        $vars{'error'}   = 'No payload data' unless $vars{'webhook'};
    } else {
        $vars{'error'}   = 'Looks like this is not a web request!';
    }
    
    return bless \%vars, $class;
}