curl --request GET \
  --url https://api.orderly.org/v1/staking/valor2/revenue_buyback

{
  "success": true,
  "timestamp": 1702989203989,
  "data": [
    {
      "batch_id": 13,
      "usdc_revenue": 19090,
      "esorder_amount": 90000000
    }
  ]
}