{
  "project_id": "A",
  "type": "service_account",
  "client_email": "foo@bar.com",
  "private_key_id": "pki",
  "private_key": "pk",
  "token_uri": "/token",
  "client_secret": "secret",
  "client_id": "C",
  "refresh_token": "D"
}