Proposed video Metadata data structure

base-item.json

{
  "type": "title",
  "startSeconds": 100,
  "endSeconds": 200
}

kitchen-sink.json

{
  "events": [
    {
      "type": "title",
      "startSeconds": 100,
      "endSeconds": 200,
      "title": "this is my title",
      "subtitle": "this is my subtitle"
    },
    {
      "type": "calorieMultiplier",
      "startSeconds": 100,
      "endSeconds": 200,
      "calorieMultiplier": 1.2
    },
    {
      "type": "rest",
      "startSeconds": 200,
      "endSeconds": 220
    },
    {
      "type": "superset",
      "startSeconds": 100,
      "endSeconds": 200,
      "title": "this is my superset title",
      "sets": [
        {
          "type": "set",
          "startSeconds": 100,
          "endSeconds": 130,
          "title": "this is my first set title",
          "reps": 10
        },
        {
          "type": "set",
          "startSeconds": 131,
          "endSeconds": 180,
          "title": "this is my second set title",
          "reps": 10
        },
        {
          "type": "superset",
          "startSeconds": 181,
          "endSeconds": 200,
          "title": "this is my third set title",
          "reps": 10
        }
      ]
    }
  ]
}