Current approach is just download the mp3 file from backend side (Laravel 8/BinaryFileResponse).

My JS code :

axios.post(baseUrl + '/api/audio', payload, {
    headers: {
        'Content-Type': 'application/json',
    }
}).then(response => {
    theTrack = response.data.value;
    const blob = new Blob([theTrack], {type: "audio/mpeg"});
    let urlCreator = window.URL || window.webkitURL;
    audio[0].src = urlCreator.createObjectURL(blob); 
    audio[0].load();
    audio[0].play();
});

Chromium console has :

Uncaught (in promise) DOMException: Failed to load because no supported source was found.

Binary should be fine since I can play it from the Network panel.