curl --request GET \
  --url https://api.orderly.org/v1/notification/inbox/unread \
  --header 'orderly-account-id: <orderly-account-id>' \
  --header 'orderly-key: <orderly-key>' \
  --header 'orderly-signature: <orderly-signature>' \
  --header 'orderly-timestamp: <orderly-timestamp>'

{
  "success": true,
  "data": {
    "count": 123,
    "last_id": 123
  },
  "timestamp": 1702989203989
}