curl --request POST \
  --url https://api.example.com/api/auth/admin/sessions \
  --header 'Content-Type: application/json' \
  --data '
{
  "username": "admin",
  "password": "<string>"
}
'

{
  "projectAdmin": {
    "subject": "local:admin",
    "username": "admin"
  },
  "accessToken": "<string>",
  "csrfToken": "<string>"
}