curl --request POST \
  --url https://{cluster}.cognitedata.com/api/v1/projects/{project}/processes/signals/subscriptions/list \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "filter": {
    "topic": "cognite_integrations",
    "resource": "<string>",
    "category": "<string>",
    "severity": "info",
    "sink": {
      "type": "email",
      "externalId": "my.known.id"
    },
    "metadata": {
      "extractorExternalId": "<string>",
      "extractorVersion": "<string>"
    }
  },
  "limit": 100,
  "cursor": "<string>"
}
'

{
  "items": [
    {
      "externalId": "my.known.id",
      "sink": {
        "type": "email",
        "externalId": "my.known.id"
      },
      "filter": {
        "topic": "cognite_integrations",
        "resource": "<string>",
        "category": [
          "<string>"
        ],
        "severity": "info",
        "extractorExternalId": "<string>",
        "extractorVersion": "<string>"
      },
      "createdTime": 1730204346000,
      "lastUpdatedTime": 1730204346000
    }
  ],
  "nextCursor": "<string>"
}