Retrieve registrations

curl --request GET \
  --url https://api.spacebring.com/registrations/v1 \
  --header 'Authorization: Basic <encoded-value>'

{
  "registrations": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "privacyConsentDate": "2023-11-07T05:31:56Z",
      "termsConsentDate": "2023-11-07T05:31:56Z",
      "user": {
        "about": "<string>",
        "email": "<string>",
        "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "name": "<string>",
        "phoneNumber": "<string>",
        "photoUrl": "<string>",
        "surname": "<string>"
      }
    }
  ],
  "nextPageToken": "<string>"
}