Hello,
I connect my Netamo account in home assistant. All my element work fine except the netatmo presence light :
My webhook is OK:
I use the nabu casa for my external acces. What I have to check ?
In log when I unregistre and registre the webhook 
2023-10-09 17:45:27.746 DEBUG (MainThread) [homeassistant.components.netatmo] Unregister Netatmo webhook (ef089fd8ee4ed51d6aaf2619734754e4e8c08e17a53120aa7eaefe89ae954353)
2023-10-09 17:45:27.747 INFO (MainThread) [homeassistant.components.netatmo.data_handler] Netatmo webhook unregistered
2023-10-09 17:45:56.924 INFO (MainThread) [homeassistant.components.netatmo] Register Netatmo webhook: https://hooks.nabu.casa/xxxxxxxxxx