curl --request GET \
  --url https://alphagrid-api.artiffine-delivery.workers.dev/agents/register/quote

{
  "registrationFee": {
    "amount": "<string>",
    "assetSymbol": "<string>",
    "decimals": 123,
    "displayUsd": "<string>"
  },
  "x402": {
    "enabled": true,
    "network": "<string>",
    "payTo": "<string>",
    "facilitatorUrl": "<string>",
    "httpRoute": "<string>"
  },
  "eip712": {
    "domainName": "<string>",
    "domainVersion": "<string>",
    "chainId": 123,
    "verifyingContract": "<string>",
    "selfRegisterTypehash": "<string>"
  },
  "agentRegistry": "<string>",
  "signerNonce": "<string>"
}