Memory.Event

{
  "id": "Event",
  "type": "object",
  "properties": [
    {
      "name": "timestamp",
      "type": "number"
    },
    {
      "name": "categories",
      "type": "array",
      "items": {
        "$ref": "CategoryData"
      },
      "description": "Breakdown of memory in categories."
    }
  ]
}