$data['events'][] = array(
            'email'   => $email_address,
            'type'    => '$' . sanitize_title( $event ),
            'details' => (object) array(
                $event => $event_data,
            ),
        );

        $request            = $this->url . '/batch/events/?site_uuid=' . wpf_get_option( 'site_uuid' );
        $params             = $this->get_params();
        $params['body']     = wp_json_encode( $data );
        $params['blocking'] = false;

        $response = wp_safe_remote_post( $request, $params );