Getting 400 Bad Request Error for MSGraph's create subscription api [Error Code - ExtensionError]
问题 Trying to create a subscription to get a channel for msgraph one drive notifications for file creation/upload. I am hitting the URL - https://graph.microsoft.com/v1.0/subscriptions with proper headers and the following body - { "changeType": "updated", "notificationUrl": "https://xxxxx.xxxxxxxxx.com/zzzz/qwertqwert", "resource": "/users/{user-id}/drive/root", "expirationDateTime": "2017-02-18T19:49:40.000Z", "clientState": "justsomerandomstring" } I am getting the following response : 400 Bad