Notification Bundle with payload: id-only

{
  "resourceType": "Bundle",
  "id": "3945182f-d315-4dbf-9259-09d863c7e7da",
  "type": "subscription-notification",
  "timestamp": "2020-04-17T10:24:13.1882432-05:00",
  "entry": [
    {
      "fullUrl": "urn:uuid:c144782b-da2f-4125-a9e2-9fa4b9085a40",
      "resource": {
        "resourceType": "SubscriptionStatus",
        "id": "c144782b-da2f-4125-a9e2-9fa4b9085a40",
        "text": {
          "status": "generated",
          "div": "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p><b>Generated Narrative: SubscriptionStatus</b><a name=\"c144782b-da2f-4125-a9e2-9fa4b9085a40\"> </a></p><div style=\"display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%\"><p style=\"margin-bottom: 0px\">Resource SubscriptionStatus &quot;c144782b-da2f-4125-a9e2-9fa4b9085a40&quot; </p></div><p><b>status</b>: active</p><p><b>type</b>: event-notification</p><p><b>eventsSinceSubscriptionStart</b>: 2</p><h3>NotificationEvents</h3><table class=\"grid\"><tr><td>-</td><td><b>EventNumber</b></td><td><b>Focus</b></td></tr><tr><td>*</td><td>2</td><td><a href=\"todo.html\">http://example.org/FHIR/R5/Encounter/2</a></td></tr></table><p><b>subscription</b>: <a href=\"todo.html\">http://example.org/FHIR/R5/Subscription/123</a></p><p><b>topic</b>: <a href=\"http://example.org/FHIR/R5/SubscriptionTopic/admission\">http://example.org/FHIR/R5/SubscriptionTopic/admission</a></p></div>"
        },
        "status": "active",
        "type": "event-notification",
        "eventsSinceSubscriptionStart": "2",
        "notificationEvent": [
          {
            "eventNumber": "2",
            "focus": {
              "reference": "http://example.org/FHIR/R5/Encounter/2"
            }
          }
        ],
        "subscription": {
          "reference": "http://example.org/FHIR/R5/Subscription/123"
        },
        "topic": "http://example.org/FHIR/R5/SubscriptionTopic/admission"
      }
    },
    {
      "fullUrl": "http://example.org/FHIR/R5/Encounter/2",
      "request": {
        "method": "PUT",
        "url": "Encounter/2"
      },
      "response": {
        "status": "201"
      }
    }
  ]
}