{
  "uuid" : "",
  "creationInfo" : {},
  "access" : {},
  "folderID" : {},
  "payloads" : [
    {"mimetype" : "",
      "storageID" : "",
      "link" : "",
      "name" : ""
    }
  ],
  "materializations" : [
    {"_type" :  "gcube-sdi-layer", ...}
  ]
}