Comment

IHE - Document Sharing

The IHE Document Sharing infrastructure is well suited for Publish and Subscribe.  See section 3.2.4 Notifications in the white paper on Document Shairng

https://profiles.ihe.net/ITI/HIE-Whitepaper/index.html#:~:text=BPPC%20and%20others-,3.2.4%20Notifications,-The%20XDS%20Profile