curl --request GET \
  --url https://prd.der-connect.eliagroup.eu/api/v1/entities/{entityId}/aggregations \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "data": {
        "negativeActiveEnergy": {
          "t1": 123,
          "t2": 123,
          "t3": 123,
          "t4": 123,
          "total": 123,
          "unit": "<string>"
        },
        "negativeGasVolume": {
          "unit": "<string>",
          "value": 123
        },
        "positiveActiveEnergy": {
          "t1": 123,
          "t2": 123,
          "t3": 123,
          "t4": 123,
          "total": 123,
          "unit": "<string>"
        },
        "positiveGasVolume": {
          "unit": "<string>",
          "value": 123
        }
      },
      "entityId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "timeframe": {
        "start": "2023-11-07T05:31:56Z",
        "end": "2023-11-07T05:31:56Z"
      }
    }
  ],
  "links": {
    "next": "<string>"
  },
  "meta": {
    "continuationToken": "<string>",
    "pageSize": 123
  }
}