SupportedResponse

{
    "kinds": [
        {
            "x402Version": 0,
            "scheme": "string",
            "network": "string",
            "extra": {
                "property1": null,
                "property2": null
            }
        }
    ],
    "extensions": [
        {
            "usageModel": {
                "model": "string",
                "limit": 0,
                "unit": "string"
            },
            "property1": null,
            "property2": null
        }
    ],
    "signers": {
        "property1": "string",
        "property2": "string"
    }
}