http https://archive.softwareheritage.org/api/1/snapshot/fc7706e4c177714475a4886831486ad0979983ea/  "Authorization: Bearer ${SWH_TOKEN}"
HTTP/1.1 403 Forbidden
Age: 0
Allow: OPTIONS, GET, HEAD, OPTIONS
Connection: keep-alive
Content-Length: 142
Content-Type: application/json
Date: Fri, 12 Mar 2021 13:53:51 GMT
Server: gunicorn/19.9.0
Strict-Transport-Security: max-age=15768000;
Vary: Accept,Cookie
Via: 1.1 archive.softwareheritage.org
Via: 1.1 varnish (Varnish/6.1)
X-Frame-Options: SAMEORIGIN
X-Varnish: 3661888

{
    "exception": "AuthenticationFailed",
    "reason": "400: b'{\"error\":\"invalid_grant\",\"error_description\":\"Offline user session not found\"}'"
}