+|uuid|string|universally unique object identifier, set on @create@|@mk2qn-4zz18-w3anr2hk2wgfpuo@|
+|owner_uuid|string|UUID of owner (must be a User or Group), set on @create@, controls who may access the resource, ownership may be changed explicitly with @update@, see "permission model":{{site.baseurl}}/api/permission-model.html for details.|@mk2qn-tpzed-a4lcehql0dv2u25@|
+|created_at|datetime|When resource was created, set on @create@|@2013-01-21T22:17:39Z@|
+|modified_by_client_uuid|string|API client software which most recently modified the resource, set on @create@ and @update@|@mk2qn-ozdt8-vq8l5qkzj7pr7h7@|
+|modified_by_user_uuid|string|Authenticated user, on whose behalf the client was acting when modifying the resource, set on @create@ and @update@|@mk2qn-tpzed-a4lcehql0dv2u25@|
+|modified_at|datetime|When resource was last modified, set on @create@ and @update@|@2013-01-25T22:29:32Z@|