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

{
  "items": [
    {
      "topic": "cognite_integrations",
      "sink": {
        "type": "email",
        "externalId": "my.known.id"
      },
      "externalId": "my.known.id",
      "severity": "info",
      "resourceId": "<string>",
      "category": "<string>",
      "metadata": {
        "extractorExternalId": "<string>",
        "extractorVersion": "<string>"
      },
      "message": "<string>",
      "details": "<string>"
    }
  ],
  "nextCursor": "<string>"
}