In Zoho calendar add and update event you mentioned that to send the data in the body if i am trying that one but i am getting the error like "event data missing". In try it example which you have mentioned bottom of the documentation you are sending the data in query string I tried in that format also but  i am getting the error like "bad request" ,Please could me help me out with how should i send the data to get the actual response.I have attached the screenshots i have tried please help me out with the response.

Thank you in advance.