{
  "@context": {
    "ex": "http://example.org/"
  },
  "@graph": [{
    "@id": "ex:a",
    "@type": "ex:Node",
    "ex:sees": {
      "@id": "ex:b",
      "@type": "ex:Node",
      "ex:sees": {
        "@id": "_:b0",
        "ex:remember_me": "This value should not disappear."
      }
    }
  }, {
    "@id": "ex:b",
    "@type": "ex:Node",
    "ex:sees": {
      "@id": "_:b0",
      "ex:remember_me": "This value should not disappear."
    }
  }]
}