add license prices data to endpoint

app/core/models/node_storage.py

@@ -109,7 +109,7 @@ class StoredContent(AlchemyBase, AudioContentMixin):
             extra_fields['owner_address'] = self.owner_address
             for k in [
                 'item_address', 'license_type',
-                'metadata_cid', 'content_cid', 'cover_cid',
+                'metadata_cid', 'content_cid', 'cover_cid', 'license'
 
             ]:
                 extra_fields[k] = self.meta.get(k, None)