-| vid | vid |
-| actor-id | actor-id |
-| target-uri-id | target-uri-id |
-| parent-uri-id | parent-uri-id |
-| seen_uid | seen, uid |
+| vid | vid |
+| actor-id | actor-id |
+| target-uri-id | target-uri-id |
+| parent-uri-id | parent-uri-id |
+| seen_uid | seen, uid |
+| uid_type_parent-uri-id_actor-id | uid, type, parent-uri-id, actor-id |