Testing Business Data Enhanced Transaction API on sandbox

[token]

Hi,
I already tested my connection with helloworld endpoint, this works fine.
But when I am trying to test Business Data Enhanced Transaction API endpoint :  https://sandbox.api.visa.com/cdsapi/commercial/v1/ob/enhanceddata with the request body as given in documentation , I am getting following error.

Can you please tell me what should be the request body ? or if there's something I am doing incorrect. 

Thank you in advance.

[SyedSa]

Hi @token, Thank you for reaching out. An agent will get back to you soon. Until then, if any community member knows a solution, feel free to reply in this thread.