[ {
  "level" : "error",
  "schema" : {
    "loadingURI" : "file:/.../entry-schema.json#",
    "pointer" : ""
  },
  "instance" : {
    "pointer" : ""
  },
  "domain" : "validation",
  "keyword" : "required",
  "message" : "object has missing required properties (["storage"])",
  "required" : [ "storage" ],
  "missing" : [ "storage" ]
} ]