Take a look at this response to another thread from @turivishal.
I have not try it with your situation but I am pretty sure something based on the same logic can be used.
See How to rename a field name inside nested array? - #2 by turivishal
Take a look at this response to another thread from @turivishal.
I have not try it with your situation but I am pretty sure something based on the same logic can be used.
See How to rename a field name inside nested array? - #2 by turivishal