require_once('./JWT.php'); // https://github.com/Annoto/jwt-php
$expire = $issuedAt + 60*20; // Adding 20 minutes
"photoUrl" => "https://images.pexels.com/photos/101584/pexels-photo-101584.jpeg",
"iss" => "zRCIsImlzcyI6Imh0dHA6XC9cL3d3dy5vcGVudS",
$secret = "4e54273d5d17859d464cb9bf";
$jwtToken = JWT::encode($payload, $secret);