Our backend, is sending ChangeReport via POSTs to https://api.amazonalexa.com/v3/events, but they are not triggering routines in the Alexa App
The POSTs are accepted by virtue of the HTTP 202 response codes
The content of the ChangeReport is attached
The documentation I followed is here: https://developer.amazon.com/blogs/alexa/post/bda9d70c-2f0d-454d-9939-2eb82868cf35/announcing-contact-and-motion-sensor-apis-and-integration-into-alexa-routines-adding-new-home-automation-features-for-customers-and-new-opportunities-for-smart-home-developers
and here: https://developer.amazon.com/docs/smarthome/build-smart-home-skills-for-sensors.htmlcontact-sensor-ChangeReport.txt