SubjectMintEnvelope

{
    "success": true,
    "data": {
        "token": "string",
        "expiresAt": 0,
        "ttlSeconds": 0,
        "subjectId": "68460e63-0717-47f9-8fd8-d28f152cb30b",
        "capabilities": [
            "site:read"
        ]
    }
}