DataEvent.js

export default class DataEvent {
    constructor(type, payload, uuid) {
        return {
            uuid: uuid,
            type: type,
            payload: payload,
            meta: {
                version: {
                    series: "SERVICE",
                    number: 1
                },
                created: new Date(),
                dregs: [],
            }
        }
    }
}

sampleDataEvent.json

{
  "uuid": "5ad3a56a-14fa-47ef-8b6a-02a3e6284c8a",
  "type": "sampleEventRecorded",
  "payload": {
    "foo": "bar"
  },
  "meta": {
    "version": {
      "series": "CURRENTSERVICE",
      "number": 1
    },
    "created": "2019-09-03T03:18:38.062Z",
    "dregs": [
      {
        "OLDERSERVICE_17": {
          "olderUnusedKey": "Older data."
        }
      },
      {
        "NEWERSERVICE_2": {
          "newerUnusedKey": "Newer data."
        }
      }
    ]
  }
}