Android Question FirebaseNotifications data null

Starter:

Sub Service_Create
    CallSubDelayed(FirebaseMessaging, "SubscribeToTopics")
End Sub

FirebaseMessaging:

Sub Process_Globals
   Private fm As FirebaseMessaging
End Sub

Sub Service_Create
   fm.Initialize("fm")
End Sub

Public Sub SubscribeToTopics
   fm.SubscribeToTopic("general") 'you can subscribe to more topics
End Sub

Sub Service_Start (StartingIntent As Intent)
   If fm.HandleIntent(StartingIntent) Then Return
End Sub

Sub fm_MessageArrived (Message As RemoteMessage)
   Log("Message arrived")
   Log($"Message data: ${Message.GetData}"$)
  
   If Message.GetData == Null Or Message.GetData.Get("title") == Null Then
       Return
   End If
  
   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

Sub Service_Destroy

End Sub

'{
'    "to" : "APA91bHun4MxP5egoKMwt2KZFBaFUH-1RYqx...",
'    "notification" : {
'      "body" : "great match!",
'      "title" : "Portugal vs. Denmark",
'      "icon" : "myicon"
'    },
'    "data" : {
'      "Nick" : "Mario",
'      "Room" : "PortugalVSDenmark"
'    }
'  }
  
  
   Dim m As Map = CreateMap("to": $"${Devtoken}"$)
   Dim noti As Map = CreateMap("body":"great match!","title":"Portugal vs. Denmark","icon": "myicon")
   Dim data As Map = CreateMap("Nick":"Mario","Room":"PortugalVSDenmark")
   m.Put("notification", noti)
   m.Put("data", data)
   Dim jg As JSONGenerator
   jg.Initialize(m)
   Job.Tag=jg
   Job.PostString("https://fcm.googleapis.com/fcm/send", jg.ToString)
   Job.GetRequest.SetContentType("application/json;charset=UTF-8")
   Job.GetRequest.SetHeader("Authorization", "key=" & API_KEY)