if (publicKey) {
        // decode jwt with public key
        const decodedToken = jwt.verify(accessToken, publicKey, {
          audience: projectId,
          issuer: projectId && `https://securetoken.google.com/${projectId}`,
        });
        console.log(decodedToken, 'decodedToken');

        if (typeof decodedToken === 'object') {
          // create user object we decorate req with from decoded token
          const user: FirebaseUser = {
            user_id: decodedToken.user_id ?? decodedToken.sub,
            name: decodedToken.name,
            email: decodedToken.email,
            email_verified: decodedToken.email_verified,
          };

          decoratedReq.user = user;
        }
      } else if (process.env.NODE_ENV === 'development') {
        const body = accessToken.split('.')[1];
        const decodedString = Buffer.from(body, 'base64').toString('ascii');
        decoratedReq.user = JSON.parse(decodedString);
      } else {
        console.error('No public key or kid found.');
      }