{
  "version": "1.0",
  "app_id": "third_party_001",
  "key_id": "rsa_202605",
  "timestamp": "1779436800000",
  "nonce": "6f2c0a7b9d8e4b8a",
  "encrypt_alg": "AES-256-GCM",
  "key_alg": "RSA-OAEP-SHA256",
  "sign_alg": "RSA-SHA256",
  "encrypted_key": "base64...",
  "iv": "base64...",
  "ciphertext": "base64...",
  "tag": "base64...",
  "signature": "base64..."
}