issue: stripe webhook

[iunary]

Is it possible to bring an example of using a webhook (eg: stripe webhook ) to the examples! as the following code doesn't receive the posting data from stripe

	rpc StripeWebhook(google.api.HttpBody) returns (google.protobuf.Empty) {
		option (google.api.http) = {
			post: "/v1/webhook"
			body:"*"
		};
	};