anchor.diff:                },
                 {
                    "occurredAt":"2017-01-05T12:21:14.974Z",
  -                 "provider":"ENGLN",
  +                 "provider":"ENTLN",
                    "lightningType":"CLOUD_TO_GROUND",
                    "elevationInKilometers":0,
                    "currentInAmpere":4700,
  
positive.code:     + occurredUntil: `2017-01-05T12:21:15Z` (end time range, optional)
          - time range period for lightning observation.
  
      + provider: `ENGLN,NOWCAST` (string, required)
          - lightning providers.
  
      + startPosition: `60000` (not negative integer, optional)
  
negative.code:            "lightningsInResponse": 30000,
             "_links": {
               "self": {
                 "href": "https://lightning.weather.mg/search?provider=ENTLN&startPosition=60000&locationWithin=[-180,90],[180,-90]"
               },
               "next": {
                 "href": "https://lightning.weather.mg/search?provider=ENTLN&startPosition=90000&locationWithin=[-180,90],[180,-90]"
               }
             }
           }
  