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db.collection.update({"adapterKey":"transport1"},[{$set:{pricegrid:{"$objectToArray":"$pricegrid"}}},{"$set":{"pricegrid":{"$map":{"input":"$pricegrid","as":"p","in":{"k":"$$p.k","v":{"$add":[{"$multiply":["$$p.v",1.03]},1]}}}}}},{$set:{pricegrid:{"$arrayToObject":"$pricegrid"}}}])