Android Question FCM not triggering MessageArrived event when device asleep

Sub fm_MessageArrived (Message As RemoteMessage)
   Log("Message arrived")
   Log($"Message data: ${Message.GetData}"$)
   Dim n As Notification
   n.Initialize
   n.Icon = "icon"
   n.SetInfo(Message.GetData.Get("title"), Message.GetData.Get("body"), Main)
   n.Notify(1)
End Sub

{"notification": {
        "title": "Notification Title",
        "text": "Notification Text"},
    "data": {
        "body" : "body data"},
        "to" : "cAMVL25vxrE:adfadsfasdfVROjv4HeCFojxbxWvJudlzgRYMh8KyuR0KU7ySQu4rWqIYqTzkdneInkCOnorLsll_Wu9HEsjXvr2s54ACXGkRcCXTW3Fuu7B5LKXe2NxD5K6bzygK5n"
}

    "data": {
        "body" : "body data"},
        "to" : "cAMVL25vxrE:APA91bFqOWtC_L3mYMYl4fQMVROjv4HeCFojxbxWvJudlzgRYMh8KyuR0KU7ySQu4rWqIYqTzkdneInkCOnorLsll_Wu9HEsjafafdasdfasdfsadf3Fuu7B5LKXe2NxD5K6bzygK5n"
}