我已实施应用内订阅并获得成功回复

Question

当我要致电https://www.googleapis.com/androidpublisher/v3/applications/packageName/purchases/products/productId/tokens/token时，我会收到此回复。

{
    "error": {
        "errors": [{
            "domain": "global",
            "reason": "required",
            "message": "Login Required",
            "locationType": "header",
            "location": "Authorization"
        }],
        "code": 401,
        "message": "Login Required"
    }
}