We've added the What dat? because what it is seems as tricky as where it at.
That said, Where it at?
We'll give the answer below only after your futile guesses peter out.
[ { "name": "Air - MediumRectangle - Inline Content - Mobile Display Size", "component": "19274298", "insertPoint": "2", "requiredCountToDisplay": "2" },{ "name": "Editor Picks", "component": "17482312", "insertPoint": "4", "requiredCountToDisplay": "1" },{ "name": "Inline Links", "component": "18711090", "insertPoint": "8th", "startingPoint": 8, "requiredCountToDisplay": "7", "maxInsertions": 25 },{ "name": "Air - MediumRectangle - Combo - Inline Content", "component": "17482310", "insertPoint": "8th", "startingPoint": 8, "requiredCountToDisplay": "7", "maxInsertions": 25 },{ "name": "Inline Links", "component": "18711090", "insertPoint": "8th", "startingPoint": 12, "requiredCountToDisplay": "11", "maxInsertions": 25 },{ "name": "Air - Leaderboard Tower - Combo - Inline Content", "component": "17482313", "insertPoint": "8th", "startingPoint": 12, "requiredCountToDisplay": "11", "maxInsertions": 25 } ]