{
  "@context": "http://www.w3.org/ns/anno.jsonld",
  "id": ["http://example.org/1", "http://example.org/2"],
  "type": "Annotation",
  "label": "bad body id",
  "body":   {
    "id": "this is not a uri either",
    "format": "text/plain",
    "langauage": "en" },
  "target": "http://example.org/post1",
}