使用Graph API创建订阅时，即使我们在访问令牌中具有足够的权限，也会收到以下错误。
令牌权限：Calendars.ReadWrite Contacts.ReadWrite Tasks.ReadWrite User.Read profile openid email

{
  "error": {
    "code": "ExtensionError",
    "message": "Operation: Create; Exception: [Status Code: Forbidden; Reason: Access is denied to the requested resource. The user might not have enough permission.]",
    "innerError": {
        "date": "2022-11-30T08:23:03",
        "request-id": "0541655d-83f3-456e-af47-165caf259c76",
        "client-request-id": "0541655d-83f3-456e-af47-165caf259c76"
    }
  }
}

使用的详细信息：
请求URL：

POST https://graph.microsoft.com/v1.0/subscriptions

请求正文：

{
    "notificationUrl":"<development-url>/notifications/office365/graph/v1",
    "expirationDateTime":"2022-12-03T06:48:06Z",
    "resource":"/me/todo/lists/{taskListId}/tasks",
    "changeType":"created,updated,deleted",
    "clientState":"<client-state>"
}

使用的API-https://graph.microsoft.com/v1.0/subscriptions（Microsoft documentation）

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