{
  "@context": {
    "@vocab": "http://example/",
    "prop": {"@container": "@index"},
    "foo": "http://example/base-foo",
    "Outer": {
      "@context": {
        "prop": {
          "@id": "http://example/outer-prop",
          "@container": "@type"
        }
      }
    },
    "Inner": {"@context": {"foo": "http://example/inner-foo"}}
  },
  "@type": "Outer",
  "prop": {
    "Inner": {
      "prop": {
        "index": {
          "@id": "http://example/inner-with-index",
          "foo": "inner-foo"
        }
      }
    }
  },
  "foo": "base-foo"
}