URL for recording play in database

As I mentioned in another post, I’ve built my own app to access my Podlove-hosted podcast feed using Quasar / Vue.

I’ve been using this format for the requesting URL, and it plays successfully:


This also plays successfully:


However, for some reason, while it plays the podcast episode successfully either way, the play doesn’t appear in the database’s wp_podlove_downloadintent table at all.

Is there some other piece of information I must send as well with the request?