Authentication Errors - JSON Web Tokens - Invalid issuer

Type: authentication/jwt/issuer_invalid

The JSON Web Token attached to the request contains an invalid iss claim.

This error happens after a client obtains an invalid access token from an authentication endpoint. If you are using one of the official Pusher Platform SDKs, please contact support. Otherwise, please make sure the token generation code in your application follows the specification for Pusher Platform access tokens.