如何返回与登录用户的当前Outlook配置文件关联的主电子邮件地址？

GET https://graph.microsoft.com/v1.0/me
Authorization: Bearer {access_token}

{
  "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users/$entity",
  "id": "user_id",
  "businessPhones": [
    "+1 425 555 0109"
  ],
  "displayName": "John Smith",
  "givenName": "John",
  "jobTitle": "Manager",
  "mail": "john.smith@example.com",
  "mobilePhone": null,
  "officeLocation": "131/1105",
  "preferredLanguage": "en-US",
  "surname": "Smith",
  "userPrincipalName": "john.smith@example.com"
}