db={"customers":[{"_id":ObjectId("5e09eaa1c22a8850c01dff77"),"stripe_id":"stripe_id 1","telegram_id":1,"email":"email@gmail.com","subscriptions":[{"_id":ObjectId("5e09eaa1c22a8850c01dff7a"),"status":"active","plan_id":"plan 1"},{"_id":ObjectId("5e09eaa1c22a8850c01dff79"),"status":"passive","plan_id":"plan 2"},{"_id":ObjectId("5e09eaa1c22a8850c01dff78"),"status":"active","plan_id":"plan 3"}],"created_at":ISODate("2019-12-30T15:16:33.967+03:00"),"__v":0}]}

db.customers.aggregate([{$match:{telegram_id:1}},{$project:{_id:"$_id",stripe_id:"$stripe_id",telegram_id:"$telegram_id",email:"$email",subscriptions:{$filter:{input:"$subscriptions",as:"item",cond:{$eq:["$$item.status","active"]}}}}}])