Sign in to the Gleap app with a Microsoft Entra access token for Gleap's API.
The session lives as long as the Microsoft token; the app calls this again
with a fresh token to renew it. 403 microsoft_account_not_member when no
organisation of that tenant has this person as a member.
A Microsoft Entra access token for Gleap's API, from the app's Microsoft sign-in.
Ok
Unix seconds: the app renews the session with a fresh Microsoft token before then.