Hi @SatheeskannaK  Thanks for your reply. I have created journey and tried to update  consents.marketing.email.subscriptions field in AJO Consent Service schema but subscription field in disabled.I also added Consent and Preferences details field group in my custom schema  and then tried to inserted...

Thank you Anil.  

Hi @Avinash_Gupta_  thanks for details but I am aware of above details, but I am not sure how to import data from JSON file