{
 "kinds": [
  {
   "x402Version": 2,
   "scheme": "exact",
   "network": "nano:mainnet",
   "extra": {
    "asset": "XNO",
    "work": "required",
    "workThreshold": "fffffff800000000"
   }
  }
 ],
 "extensions": [],
 "signers": {}
}