anchor.diff:                          {"key": "workflow-1", "value": [10.4, 12.4, 13.2]},
                           {"key": "workflow-2", "value": "fishy"},
                       ],
  -                    "complete": true
  +                    "completed": true
                   }
               }
   
  
positive.code:                         {"workflow-1": [10.4, 12.4, 13.2]},
                      ],
                      "links": {
                          "subject": "11",
                          "workflow": "81",
                          "project": "2"
                      }
  
negative.code: - id
  - created_at
  - updated_at
  - completed
  - metadata
  - gold_standard
  - annotations
  