[{"_id":"5060ad4b-fb4a-4a34-b44a-32e97626dc0a","isDeleted":false,"user":{"timestamp":"2022-10-29","name":"john2","surname":"doe2","email":"12345@abcd.edu.tr","phone":"+012345678912","age":20,"gender":"male","nationality":"smth","universityMajor":"ENGINEERING","preferences":{"doesMindHavingPets":false,"isSmoker":true,"isMorning":null},"password":"f61a20da9eaa68a9f06dbc1710b10ef0a67208b2059b1f576af6deac23c215f5"}}]

db.collection.update({"_id":"5060ad4b-fb4a-4a34-b44a-32e97626dc0a"},[{$set:{"user.preferences":{$mergeObjects:["$user.preferences",{"isMorning":false,"doesMindHavingPets":false}]}}},{$set:{user:{$mergeObjects:["$user",{"email":"12345@abcd.edu.tr","password":"asdfghj"}]}}}])