Non-contract attributes that are leaked from the backend implementation like "extra" and "metadata" and "is_admin" and "legacy_endpoint_id". Those are all implementation-specific details that were never meant to be exposed to the HTTP API.
Non-contract attributes that are leaked from the backend implementation like "extra" and "metadata" and "is_admin" and "legacy_ endpoint_ id". Those are all implementation- specific details that were never meant to be exposed to the HTTP API.