Set Maintenance Config

curl --request POST \
  --url https://api-evm.orderly.network/v1/client/maintenance_config \
  --header 'Content-Type: application/json' \
  --header 'orderly-account-id: <orderly-account-id>' \
  --header 'orderly-key: <orderly-key>' \
  --header 'orderly-signature: <orderly-signature>' \
  --header 'orderly-timestamp: <orderly-timestamp>' \
  --data '{
  "maintenance_cancel_order_flag": true
}'

{
  "success": true,
  "timestamp": 1702989203989,
  "data": {
    "success_alter": "Success! Your change has been saved!"
  }
}