curl --request POST \
  --url https://sdk-api.playcamp.io/v1/server/webhooks \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "eventType": "coupon.redeemed",
  "url": "<string>",
  "retryCount": 3,
  "timeoutMs": 5000
}
'

{
  "data": {
    "id": 123,
    "eventType": "coupon.redeemed",
    "url": "<string>",
    "isActive": true,
    "retryCount": 123,
    "timeoutMs": 123,
    "createdAt": "2023-11-07T05:31:56Z",
    "secret": "<string>"
  }
}