anchor.diff:              "id": "abcde",
               "subject": {
                 "entities": [
  -                "id": "Foo",
  -                "type": "myFooType"
  +                {
  +                  "id": "Foo",
  +                  "type": "myFooType"
  +                }
                 ],
                 "attributes": [
                   "humidity"
  
positive.code:             "id": "efgh",
              "subject": {
                "entities": [
                  "id": "myBar",
                  "type": "myBarType"
                ],
                "attributes": [
                  "speed"
  
negative.code:                     }
                  ],
                  "condition": {
                      "attributes": [ "temperature " ],
                      "expression": {
                         "q": "temperature>40"
                      }
                   }
  