curl --request POST \
  --url https://sandbox.tight.com/v6/classes/segments \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "data": [
    {
      "name": "1611 Connecticut Ave",
      "labelId": "tcll_439512",
      "id": "cls_936415",
      "status": "ACTIVE",
      "parentId": "cls_936413"
    }
  ]
}
'

{
  "result": "SUCCESS",
  "data": [
    {
      "result": "SUCCESS",
      "statusCode": 200,
      "data": {
        "id": "cls_936415",
        "label": {
          "id": "tcll_439512",
          "name": "Job Site",
          "requiredness": "NOT_REQUIRED"
        },
        "name": "1234 Massachusetts Ave",
        "children": "<array>"
      },
      "error": [
        {
          "type": "UNKNOWN_ERROR",
          "message": "<string>",
          "param": "<string>"
        }
      ]
    }
  ],
  "error": [
    {
      "type": "UNKNOWN_ERROR",
      "message": "<string>",
      "param": "<string>"
    }
  ]
}