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Json and split into multiple files
I have a Json something like:

 id : 1
name: user1
product {
id: 1
name: product1

I want to be able to read this file and create 2 files as follows:

user file:

product file:

I know I need to call exec but the method will return Bags for each of
these dimensions.  But since it's all unordered how do I split it further
to write them to separate files?