Backchannel route for oidc provider

curl -X POST \
-H "Content-Type: application/json" \
-d '{"client_id": "your_client_id", "client_secret": "your_client_secret", "grant_type": "backchannel_authentication", "scope": "openid profile email", "client_notification_token": "your_notification_token", "binding_message": "optional_message"}' \
https://your_oidc_provider.com/backchannel