[{"collection":"collection","count":100,"content":{"_id":{"type":"autoincrement","autoType":"int","startInt":0},"time_lo_res":{"type":"date","startDate":"2021-01-01T00:00:00+00:00","endDate":"2022-04-13T23:59:59+00:00"},"category":{"type":"enum","in":["user","admin","guest","monitor"],"randomOrder":true}}}]

db.collection.aggregate([{"$match":{"$expr":{"$lte":["$time_lo_res",{"$dateSubtract":{"startDate":"$$NOW","unit":"day","amount":30}}]},"category":"user"}},{"$sort":{"time_lo_res":1}}])