curl --request DELETE \
  --url https://dovetail.com/api/v1/insights/{insight_id} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "id": "<string>",
    "title": "<string>",
    "type": "insight",
    "fields": [
      {
        "label": "<string>",
        "value": "<string>"
      }
    ],
    "created_at": "<string>",
    "deleted": true,
    "project": {
      "id": "<string>"
    },
    "files": [
      {
        "id": "<string>",
        "name": "<string>",
        "type": "<string>",
        "status": "completed",
        "author": {
          "id": "<string>",
          "name": "<string>"
        },
        "created_at": "<string>"
      }
    ],
    "published": true
  }
}