curl --request GET \
  --url https://api.hubapi.com/crm/v3/objects/subscriptions \
  --header 'Authorization: Bearer <token>'

{
  "results": [
    {
      "archived": true,
      "createdAt": "2023-11-07T05:31:56Z",
      "id": "<string>",
      "properties": {},
      "updatedAt": "2023-11-07T05:31:56Z",
      "archivedAt": "2023-11-07T05:31:56Z",
      "associations": {},
      "objectWriteTraceId": "<string>",
      "propertiesWithHistory": {}
    }
  ],
  "paging": {
    "next": {
      "after": "NTI1Cg%3D%3D",
      "link": "?after=NTI1Cg%3D%3D"
    },
    "prev": {
      "before": "<string>",
      "link": "<string>"
    }
  }
}