@cb Thank you for reaching out to us, As I understand you are looking for details on Narada Notification Service in Entra ID audit logs.
I have checked internally on this, this app is first party app, which is created by Microsoft.
For more details on this app, would request you to open a support ticket with us, so that our team can investigate this further. Let me know if you have any further questions, feel free to post back.
Please remember to "Accept Answer" if answer helped, so that others in the community facing similar issues can easily find the solution.