To override the Content-type in your clients, use the HTTP Accept Header, append  the .jsv suffix or  ?format=jsv
        
        HTTP + JSV
         The following are sample HTTP requests and responses. 
            The placeholders shown need to be replaced with actual values.
POST /v1/authorisation HTTP/1.1 
Host: prod-api-auth-mb-dhc.rapp-customers.co.uk 
Accept: text/jsv
Content-Type: text/jsv
Content-Length: length
{
	GasUserId: String,
	ApplicationDotRole: 
	[
		String
	],
	GEMSOutletId: 
	[
		String
	],
	Application: String
}
 
HTTP/1.1 200 OK
Content-Type: text/jsv
Content-Length: length
{
	status: String,
	GasUserId: String,
	Application: String,
	Roles: 
	[
		String
	],
	GSSNRetailerIds: 
	[
		String
	],
	DefaultGSSNRetailerId: String,
	DefaultVehicleType: String,
	DefaultRole: String,
	DefaultRoleCount: 0
}