var message = new gcm.Message({
    collapseKey: 'data',
    priority: 'high',
    contentAvailable: true,
    delayWhileIdle: false,
    timeToLive: 10000,

    data: {
        message: 'Message from gcm server',
        action: 'Update data on server'
    },

    notification: {
        tag : 'hasData',
        title: "My notification title",
        icon: "ic_launcher",
        color: "#22C064",
        sound: "jingle_bells_sms",
        soundname: "jingle_bells_sms",
        body: "This is a GCM notification that will be displayed ASAP.",
        click_action: "OPEN_APP"
    }
});