curl --request GET \
  --url https://api.messari.io/metrics/v1/networks \
  --header 'X-Messari-API-Key: <api-key>'

{
  "data": [
    {
      "id": "<string>",
      "metrics": {},
      "name": "<string>",
      "slug": "<string>"
    }
  ],
  "error": "<string>",
  "metadata": {
    "page": 123,
    "pageSize": 123,
    "totalPages": 123,
    "totalRows": 123
  }
}