void YourClassName::askToken() {
    state = REQUESTTOKEN;
    QNetworkRequest request = QNetworkRequest();
    request.setUrl(QUrl("https://getpocket.com/v3/oauth/authorize?"));
    QString qStr;
    qStr.append("{\"consumer_key\":\"YOURCONSUMERKEY\",\"code\":\"");
    qStr.append(appCode);
    qStr.append("\"}");
    request.setHeader(QNetworkRequest::ContentTypeHeader, "Content-Type: application/json; charset=UTF-8");
    request.setRawHeader("X-Accept:","application/json"); //X-Accept: application/json
    mNetworkAccessManager->post(request, qStr.toUtf8());
}