{
  "type": "ShapeAndResults",
  "solutions": [
    { "type": "NodeTest",
      "node": "http://a.example/s1",
      "shape": "http://a.example/S1",
      "shapeExpr": {
        "type": "NodeConstraint",
        "nodeKind": "iri" } },
    { "type": "ShapeTest",
      "node": "http://a.example/s1",
      "shape": "http://a.example/S1" }
  ]
}