curl --request GET \
  --url https://api.orderly.org/v1/public/campaigns

{
  "success": true,
  "timestamp": 1702989203989,
  "data": {
    "rows": [
      {
        "id": 1,
        "name": "campaign_20230806",
        "start_time": 1575014255089,
        "end_time": 1585014255089,
        "signup_start_time": 1585014255089,
        "signup_end_time": 1585014255089,
        "register_time": 1585014255089
      }
    ]
  }
}