List app users

curl --request GET \
  --url https://svc.sandbox.anon.com/org/users \
  --header 'Authorization: Bearer <token>'

{
  "appUsers": [
    {
      "id": "<string>",
      "email": "<string>",
      "phoneNumber": "<string>",
      "appUserPoolId": "<string>",
      "createdAt": "<string>"
    }
  ]
}