Fix rapidmax

Hello rapidmax is not working

{
    "status": 500,
    "result": "",
    "error": "Decrypt failure: Unexpected token 'å', \"å½¢\"\u0006¬å\u0015+\"... is not valid JSON",
    "hint": "User-Agent must match one from /media/ request. Add {'cookie': 'heh_cookie'} if generated in Cookie (heh=___)."
}