curl --request GET \
  --url https://api.roxom.com/v1/market/insurance-fund \
  --header 'X-API-Key: <api-key>' \
  --header 'X-API-Signature: <api-key>'

{
  "data": {
    "balance": "<string>",
    "unit": "sats",
    "updatedAt": 123
  },
  "error": true
}