 candidate", candidate);
                        fetch('/webrtc/offer', {
                            method: 'POST',
                            headers: { 'Content-Type': 'application/json' },
                            body: JSON.stringify({
                                candidate: candidate.toJSON(),
                                webrtc_id: webrtc_id,
                                type: "ice-candidate",
                            })
                        })
                    }
              