curl --request GET \
  --url https://api.hyperline.co/v1/aggregators/{id} \
  --header 'Authorization: Bearer <token>'

{
  "id": "<string>",
  "entity": "<string>",
  "operation": "count",
  "property": "<string>",
  "where": {
    "conditional": "and",
    "fields": [
      {
        "property": "<string>",
        "operator": "isNull"
      }
    ]
  },
  "type": "metered",
  "name": "<string>",
  "description": "<string>",
  "allow_negative_values": true,
  "custom_event_name": "<string>",
  "exposed_event_keys": [
    "<string>"
  ],
  "created_at": "2023-12-25",
  "updated_at": "2023-12-25"
}