curl --request GET \
  --url https://test.deribit.com/api/v2/private/get_user_locks \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "id": 74,
  "method": "private/get_user_locks",
  "params": {}
}
'

{
  "id": 74,
  "result": [
    {
      "message": "locked in one currency",
      "locked": true,
      "currency": "BTC"
    },
    {
      "locked": false,
      "currency": "ETH"
    },
    {
      "locked": false,
      "currency": "USDC"
    },
    {
      "locked": false,
      "currency": "SOL"
    }
  ]
}