Get product registration analytics

curl --request GET \
  --url https://api.oneofnone.io/v1/analytics/registrations \
  --header 'x-api-key: <api-key>'

{
  "meta": {
    "total_registrations": 123,
    "avg_registration_time": 123
  },
  "timeseries": [
    {
      "date": "<string>",
      "total_registrations": 123,
      "unique_users": 123,
      "avg_registration_time": 123
    }
  ],
  "top_collections": [
    {
      "collection_id": "<string>",
      "total_registrations": 123,
      "unique_users": 123,
      "avg_registration_time": 123,
      "collection": {
        "id": "<string>",
        "name": "<string>",
        "slug": "<string>",
        "image": {
          "url": "<string>"
        }
      }
    }
  ]
}