Huh?
1490771716
Array
(
    [session_id] => 40955720d6753c62cafd98e39b1cd16b
    [ip_address] => 54.211.127.89
    [user_agent] => CCBot/2.0 (http://commoncrawl.org/faq/)
    [last_activity] => 1490771716
    [user_data] => 
)