anchor.diff:      "namespace": "api_doc",
       "user": "api_doc@foobar.com",
       "input_parameters": {
  -        "reg_code": "",
           "force": "False",
           "active": "False",
           "device_type_id": "1",
  
positive.code:     "namespace": "test",
      "user": "api_doc@foobar.com",
      "input_parameters": {
          "reg_code": "",
          "force": "False",
          "active": "False",
          "device_type_id": "1",
  
negative.code: {
      "datetime": "2018-01-15T13:52:05.519028",
      "input_parameters": {
          "force": "False",
          "active": "False",
          "device_type_id": "1",
  