curl --request POST \
  --url https://api.hubapi.com/webhooks/v3/{appId}/subscriptions/batch/update \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "inputs": [
    {
      "active": true,
      "id": 12
    }
  ]
}
'

{
  "completedAt": "2020-04-17T02:19:26.283Z",
  "results": [
    {
      "active": true,
      "createdAt": "2019-06-06T16:56:16.652Z",
      "eventType": "contact.propertyChange",
      "id": "1234",
      "propertyName": "firstname",
      "updatedAt": "2019-08-06T16:56:16.652Z"
    },
    {
      "active": false,
      "createdAt": "2019-06-06T16:56:16.652Z",
      "eventType": "contact.create",
      "id": "4567",
      "updatedAt": "2019-08-06T16:56:16.652Z"
    }
  ],
  "startedAt": "2020-04-17T02:19:26.256Z",
  "status": "COMPLETE"
}