'{ "articulo": { "properties" { "titulo": {"type":"string"}, "pais": {"type":"string", "include_in_all":false}, "contenido": {"type":"string"}, "publicado": {"type":"date", "format": "yyyy-MM-dd HH:mm:ss"}, "tags": {"type":"string"}, "rating": {"type":"object", "properties":{ "promedio": {"type": "float"}, "total": {"type": "long"} }}, }} }'