curl --request GET \
  --url https://signin.altostrat.io/userinfo \
  --header 'Authorization: Bearer <token>'

{
  "sub": "<string>",
  "name": "<string>",
  "given_name": "<string>",
  "family_name": "<string>",
  "email": "jsmith@example.com",
  "email_verified": true,
  "picture": "<string>"
}