FloorColliderUnitIdSpecs

This entry in render.json defines which units use colliders on Floor layer, by setting "isOn" to "true"
See BotUnitModIDs for Unit Ids
Example entry in render.json

  "floorColliderUnitIdSpecs": [
    {
      "unitId": 10,
      "isOn": true
    },
    {
      "unitId": 7,
      "isOn": true
    }
  ]