curl --request POST \
  --url https://api-qa.interactly.ai/workflows/v1/global-variables \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "<string>",
  "value": "",
  "description": "<string>",
  "category": "<string>",
  "is_secret": false
}
'

{
  "variable": {
    "name": "<string>",
    "team_id": "<string>",
    "created_by": "<string>",
    "updated_by": "<string>",
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z",
    "_id": "5eb7cf5a86d9755df3a6c593",
    "value": "",
    "description": "<string>",
    "category": "<string>",
    "is_secret": false
  }
}