Feature shared network slice subnet

Change-Id: I13bd54522560ae507cdaf1ec6652e587b2c7a8db
Signed-off-by: Felipe Vicens <felipe.vicens@atos.net>
diff --git a/osm_nbi/validation.py b/osm_nbi/validation.py
index 7707a75..c8c96cd 100644
--- a/osm_nbi/validation.py
+++ b/osm_nbi/validation.py
@@ -266,6 +266,7 @@
                     "name": string_schema,
                     "vim-network-name": {"OneOf": [string_schema, object_schema]},
                     "vim-network-id": {"OneOf": [string_schema, object_schema]},
+                    "ns-net": object_schema,
                     "wimAccountId": {"OneOf": [id_schema, bool_schema, null_schema]},
                     "ip-profile": object_schema,
                     "vnfd-connection-point-ref": {