{
  "fields": [{"id":"_id","type":"int"},{"id":"Tramo Edad","type":"timestamp"},{"id":"año","type":"numeric"},{"id":"valor","type":"numeric"}],
  "records": [
    [1,"2019-08-14T00:00:00",2008,5.5],
    [2,"2019-08-17T15:00:00",2008,14.4],
    [3,"2019-08-14T00:00:00",2013,12.6],
    [4,"2019-08-17T15:00:00",2013,20.4]
]}