[{"_id":"97f98668-bdc0-441c-ab12-15c0f4313e30","row_id":"927b1d4f-6357-44af-8cdb-daca7a6f89fd","data":{"info":[{"name":"dog","value":["3"],"score":42}]}},{"_id":"f1994888-8c22-4d29-8523-4ff3c504665a","row_id":"927b1d4f-6357-44af-8cdb-daca7a6f89fd","data":{"info":[{"name":"dog","value":["2"],"score":70}]}},{"_id":"6522979b-68f3-4f62-859c-93786b23caaa","row_id":"927b1d4f-6357-44af-8cdb-daca7a6f89fd","data":{"info":[{"name":"cat","value":["2"],"score":62}]}}]

db.collection.aggregate([{$unwind:"$data.info"},{$unwind:"$data.info.value"},{$group:{_id:{row_id:"$row_id","name":"$data.info.name"},values:{$push:{value:"$data.info.value",score:"$data.info.score"}}}},{$group:{_id:"$_id.row_id",data_info:{$push:{name:"$_id.name",values:"$values"}}}},{$project:{_id:false,row_id:"$_id",data:{info:"$data_info"}}}])