[
  {
    "@id": "http://example.com/node",
    "http://example.com/vocab/property": [
      {
        "@id": "http://example.com/propertyValueNode",
        "http://example.com/vocab/indexMap": [
          {
            "@value": "simple string",
            "@language": "en",
            "@index": "expands to english string"
          }
        ]
      },
      {
        "@value": "einfacher String",
        "@language": "de"
      }
    ]
  }
]