Database
[{"_id":ObjectId("62f8fe33127584b3e027060e"),"UserId":"7BCBCC2DA9624BCB8191AC2DBDC5CA71","UserName":"kaveh","UserThemes":{"football":10,"basketball":110,"volleyball":90,"tennis":50,"golf":25}},{"_id":ObjectId("62f8fe33127584b3e027060f"),"UserId":"7BCBCC2DA9624BCB8191AC2DBDC5CA72","UserName":"Abu","UserThemes":{"football":10,"basketball":100,"volleyball":90,"tennis":50,"golf":25}}]
Query
db.collection.aggregate([{$match:{$expr:{$gt:[{$size:{$filter:{input:{$objectToArray:"$UserThemes"},cond:{$gt:["$$this.v",100]}}}},0]}}}])