curl --request GET \
  --url https://api.swarmd.ai/registry/v1/users/{userId}/subscriptions \
  --header 'Authorization: Bearer <token>'

{
  "content": [
    {
      "agentId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "name": "<string>",
      "description": "<string>",
      "agentCardUrl": "<string>",
      "originalCardUrl": "<string>",
      "version": "<string>",
      "status": "<string>",
      "statusReason": "<string>",
      "healthStatus": "<string>",
      "subscriptionCount": 123,
      "metrics": {
        "requestCount": 123,
        "errorPercentage": 123,
        "avgLatencyMs": 123
      },
      "uptimePercentage": 123,
      "tenantDetails": {
        "tenantName": "<string>",
        "publicContactEmail": "<string>"
      }
    }
  ],
  "page": 123,
  "size": 123,
  "totalElements": 123,
  "totalPages": 123
}