Can't Add Email Alias for User - API

https://www.zoho.com/mail/help/api/put-add-user-email-alias.html

Help me, i can't add email alias.

The return code is

{
    "status": {
        "code": 200,
        "description": "success"
    },
    "data": {
        ...
    }
}

But not not working? :(, Please help me, Thanks.