curl --request POST \
  --url https://nudgen.net/api/v1/campaigns/{id}/launch \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "sendNow": false,
  "scheduledAt": "2026-05-21T06:46:52.128Z"
}
'

{
  "campaign": {
    "id": "<string>",
    "name": "<string>",
    "subject": "<string>",
    "scheduledAt": "2023-11-07T05:31:56Z",
    "sentAt": "2023-11-07T05:31:56Z",
    "createdAt": "2023-11-07T05:31:56Z",
    "updatedAt": "2023-11-07T05:31:56Z"
  },
  "launched": true,
  "delayMs": 123
}