'signup' => 1,
'signup_forwarding_email' => '',
'signup_send_confirmation' => '1',
'signup_confirmation_email' => 'This is to confirm that you have signed up the event "[title]" ',
'signup_send_reminder' => '1',
'signup_reminder_days_before' => '1',
'signup_reminder_email' => 'This is to remind you that your signed-up event "[title]" is coming up. For details, please see [node-path]. ',
'signup_close_signup_limit' => '0',
'signup_status' => '1',
'signup_total' => '0',
'signup_effective_total' => NULL,