[{code:134,bindings:[{devId:"71156ce8-ac2b-4282-9f5a-10133441057c",userIds:["9d300b89-29c0-45a8-a4d3-019cfc8f1c7b"]},{devId:"ca33efa1-ec27-4ee1-8117-8b8ab29c1790",userIds:["73e5af2f-fe01-41a3-bebd-6bab895cab58"]},{devId:"a03f5fbd-f279-4182-bfb6-33aba9de5751",userIds:["dc0c5e59-ef1a-44b9-843b-a4ea73bbed2e"]}]}]

db.collection.aggregate([{$match:{code:134}},{$unwind:"$bindings"},{$match:{"bindings.devId":"71156ce8-ac2b-4282-9f5a-10133441057c"}},{$replaceRoot:{newRoot:"$bindings"}}])