uploadOrgPskPortalImage
POST https://{{host}}/api/v1/orgs/:org_id/pskportals/:pskportal_id/portal_image
Upload background image for PskPortal
Request Body
[{"name"=>"json", "value"=>"", "datatype"=>"null"}, {"name"=>"file", "value"=>nil, "datatype"=>"null"}]