Database
[{company:{subscriptions:[{"name":"test1","updatedAt":ISODate("2021-10-19T06:40:33.583Z")},{"name":"test2","updatedAt":ISODate("2021-10-19T06:40:33.583Z")},{"services":{"1":{"createdAt":ISODate("2021-10-19T06:40:33.583Z"),"updatedAt":ISODate("2021-10-19T06:40:33.583Z")}},"updatedAt":ISODate("2021-10-19T06:40:33.583Z")}]}}]
Query
db.collection.update({},{$pull:{"company.subscriptions":{name:{"$exists":false}}}},{multi:true})