JSON to XML conversion in sync sender REST communication channel

Hello folks

I am currently working on a REST to SOAP (synchronous) scenario, and have used SAP's REST adapter in the sender communication channel.Currently i am using PI 7.31 SP14. in this REST adapter advance options are not available to handle below array requirement.

Can you please help me to complete my requirement.

1)For example in the response2 file, “Dealer_Details” and “Material_Details” for the first quote is mentioned as a single entry and for the next following quotes these details are mentioned as an array . Here i am excepting for single entry also need to create Array( { to [).