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

{
  "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"
  }
}