Try This

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          "name": "Air - MedRect Combo - Inline Content 1",
          "component": "11392278",
          "insertPoint": "3",
          "requiredCountToDisplay": "1",
          "parentWrapperClass": "fdn-ads-inline-content-block"
        },{
          "name": "Air - MedRect Combo - Inline Content 2",
          "component": "11392276",
          "insertPoint": "7",
          "requiredCountToDisplay": "5",
          "parentWrapperClass": "fdn-ads-inline-content-block"
        },{
          "name": "Air - MedRect Combo - Inline Content 3",
          "component": "11392277",
          "insertPoint": "12",
          "requiredCountToDisplay": "9",
          "parentWrapperClass": "fdn-ads-inline-content-block"
        }
      
      ]

click to enlarge