[{"_id":ObjectId("62a6144faf59381072fa83d6"),"Example":{"field1":"first field","field2":"second field","field3":{"field 3.1":"third point one field"}}},{_id:ObjectId("62a6144faf59381072fa83d7"),Example:{field1:"first",field2:"second",field3:{"field 3.1":"third"}}}]

db.collection.find({"_id":ObjectId("62a6144faf59381072fa83d6")},{"Example.field2":false})