{
  "chain": "visa-tap-agent-verification",
  "question": "A signed agent request just arrived. Is its nonce fresh, or are we looking at a replay of an earlier call?",
  "look_at": "art-593-webbotauth-nonce-replay-check.verdict",
  "try_changing": {
    "step": "art-593-webbotauth-nonce-replay-check",
    "field": "nonce_already_used",
    "value": true
  }
}