diff --git a/harmonyqml/backend/backend.py b/harmonyqml/backend/backend.py
index 9c4fc11f..484cf859 100644
--- a/harmonyqml/backend/backend.py
+++ b/harmonyqml/backend/backend.py
@@ -150,6 +150,9 @@ class Backend(QObject):
 
         tcl = lambda user: cl[f"@test_{user}:matrix.org"]
 
+        import json
+        jd = lambda obj: print(json.dumps(obj, indent=4, ensure_ascii=False))
+
         import pdb
         from PyQt5.QtCore import pyqtRemoveInputHook
         pyqtRemoveInputHook()
diff --git a/harmonyqml/backend/model/items.py b/harmonyqml/backend/model/items.py
index c1f80691..8342c8c8 100644
--- a/harmonyqml/backend/model/items.py
+++ b/harmonyqml/backend/model/items.py
@@ -53,10 +53,12 @@ class Device(ListItem):
     _required_init_values = {"deviceId", "ed25519Key"}
     _constant             = {"deviceId", "ed25519Key"}
 
-    deviceId:    str           = ""
-    ed25519Key:  str           = ""
-    displayName: Optional[str] = None
-    trust:       Trust         = Trust.undecided
+    deviceId:     str                 = ""
+    ed25519Key:   str                 = ""
+    displayName:  Optional[str]       = None
+    trust:        Trust               = Trust.undecided
+    lastSeenIp:   Optional[str]       = None
+    lastSeenDate: Optional[QDateTime] = None
 
 
 class Account(ListItem):