example.json

{
  "data": [
    {
      ...
      "relationships": {
        "events": [
          // These can be ordered here
          { "type": "type1-events", "id": "89734" },
          { "type": "type2-events", "id": "83692" },
          { "type": "type3-events", "id": "36493" }
        ]
      }
    }
  ],
  "included": {
    "type1-events": {
      "89734": { ... }
    },
    "type2-events": {
      "83692": { ... }
    },
    "type3-events": {
      "36493": { ... }
    }
  }
}