diff --git a/kuksa-client/kuksa_client/cli_backend/grpc.py b/kuksa-client/kuksa_client/cli_backend/grpc.py
index 608e5ab0a..2113733b0 100644
--- a/kuksa-client/kuksa_client/cli_backend/grpc.py
+++ b/kuksa-client/kuksa_client/cli_backend/grpc.py
@@ -31,14 +31,24 @@
 from kuksa_client import cli_backend
 import kuksa_client.grpc
 import kuksa_client.grpc.aio
-from kuksa_client.grpc import EntryUpdate
-
+from kuksa_client.grpc import EntryUpdate, DataType
+from kuksa.val.v1 import types_pb2
 
 def callback_wrapper(callback: Callable[[str], None]) -> Callable[[Iterable[EntryUpdate]], None]:
     def wrapper(updates: Iterable[EntryUpdate]) -> None:
         callback(json.dumps([update.to_dict() for update in updates]))
     return wrapper
 
+class DatabrokerEncoder(json.JSONEncoder):
+    def default(self, obj):
+        if isinstance(obj, (types_pb2.StringArray, types_pb2.BoolArray, types_pb2.Uint32Array, types_pb2.Uint64Array, types_pb2.FloatArray, types_pb2.Int32Array, types_pb2.Int64Array, types_pb2.DoubleArray)):
+            string_values = []
+            for value in obj.values:
+                value = str(value)
+                string_values.append(value)
+            return {'values': string_values}
+        return super().default(obj)
+
 
 class Backend(cli_backend.Backend):
     def __init__(self, config):
@@ -109,9 +119,21 @@ def setValues(self, updates: Dict[str, Any], attribute="value", timeout=5):
             entry_updates = []
             for path, value in updates.items():
                 if field is kuksa_client.grpc.Field.VALUE:
+                    values = value.strip('[]').split(',') 
+                    array = []
+                    if len(values) > 1 :
+                        for val in values:
+                            array.append(val)
+                        value = array
                     entry = kuksa_client.grpc.DataEntry(
                         path=path, value=kuksa_client.grpc.Datapoint(value=value))
                 elif field is kuksa_client.grpc.Field.ACTUATOR_TARGET:
+                    values = value.strip('[]').split(',') 
+                    array = []
+                    if len(values) > 1 :
+                        for val in values:
+                            array.append(val)
+                        value = array
                     entry = kuksa_client.grpc.DataEntry(
                         path=path, actuator_target=kuksa_client.grpc.Datapoint(
                             value=value),
@@ -191,7 +213,7 @@ def _sendReceiveMsg(self, req, timeout):
             if error:
                 respJson = json.dumps(error, indent=4)
             elif resp:
-                respJson = json.dumps(resp, indent=4)
+                respJson = json.dumps(resp, indent=4, cls=DatabrokerEncoder)
             else:
                 respJson = "OK"
         except queue.Empty: