tunnelmole/dist/src/messages/invalid-subscription-message.d.ts

Tunnelmole, an open source ngrok alternative. Instant public URLs for any http/https based application. Available as a command line application or as an NPM dependency for your code. Stable and maintained. Good test coverage. Works behind firewalls

export default interface InvalidSubscriptionMessage {
    type: "invalidSubscription";
    apiKey: string;
}