{"description":"Minimal publisher-side hub for Anthilla AEO announcement layer (L4)","howto":"POST form: hub.mode=subscribe|unsubscribe&hub.callback=<url>&hub.topic=<topic>[&hub.secret=<s>]","hub":"https://aikb.scighera.com/websub","name":"AIKB WebSub hub (lite)","spec":"https://www.w3.org/TR/websub/","topics":["aikb-events","aikb-kb","aikb-agora"]}