curl --request POST \
  --url https://api.sandbox.brickken.com/x402/agent/register \
  --header 'Content-Type: application/json' \
  --header 'X-Payment: <api-key>' \
  --data '
{
  "chainId": "8453",
  "signerAddress": "<string>",
  "name": "<string>",
  "description": "<string>",
  "image": "<string>",
  "services": [
    {
      "name": "<string>",
      "endpoint": "<string>",
      "version": "<string>"
    }
  ],
  "gasLimit": "<string>",
  "nonce": 123,
  "privateRpcUrl": "<string>",
  "ownerEmail": "jsmith@example.com",
  "email": "jsmith@example.com",
  "metadata": {},
  "aiModelName": "<string>",
  "aiModelProvider": "<string>",
  "tags": [
    "<string>"
  ],
  "version": "<string>",
  "documentation": "<string>",
  "sourceCode": "<string>",
  "license": "<string>",
  "agentType": "<string>",
  "supportedTrust": [
    "<string>"
  ],
  "x402Support": true,
  "active": true,
  "registrations": [
    {}
  ]
}
'

{
  "transactions": {},
  "txId": "<string>",
  "info": {}
}