Idoc Through Rest Client

Hi

I am trying to Send Idoc Through postman but I get Unsupported Media Type. Can we not Send it through Rest Clients. hybris: 6.1.0.0 Url: http://localhost:10100/datahub-webapp/v1/data-feeds/SAPCUSTOMER_INBOUND_FEED/items/RawDEBMAS Idoc link text