" -H 'Connection: close' " .
" -H 'Content-Type: application/json' " .
" $url";
print "$cmd\n";
system( $cmd );
print
nection => "close" );
$ua->default_headers->push_header( "Content-Type" => "application/json" );
# add ACCESS_SIGNATURE in a request_prepare handler so we can set it knowing the req