▪ field: {"stringDataOp":"bca"}. It would return all the context data in Operation and change stringDataOp to bca.
▪ KColl: {"restKcollOp":{"stringDataOp":"bca"}}. It would return all the context data in Operation and change stringDataOp of restKcollOp into bca.
▪ IColl: {"listOp":[{"stringDataOp":"bca"}]}. It would return all the context data in Operation and change the data with Index 0 in stringDataOp of listOp into bca.
Note If you want to edit the data with index 1, you could use {"listOp":[{},{"stringDataOp":"bca"}]}