{
  "tool": "challenge",
  "amount_usdt": 0.01,
  "payTo": "0x8bfc0f414be2f70c5930f7713be1db188eb0c3bd",
  "receipt": {
    "check_id": "reviewer_challenge_1783987777081_207db757",
    "amount": "10000",
    "asset": "USDT0",
    "network": "eip155:196",
    "payTo": "0x8bfc0f414be2f70c5930f7713be1db188eb0c3bd",
    "nonce": "n_1783987777081_159bf6220e57ee3a",
    "signature": "0xe53a8ecec920e89005e26d8af152055c772e43c1367af13608e6a070d5e33b55",
    "description": "Adversarial review",
    "generated_at": "2026-07-14T00:09:37.081Z",
    "usage_hint": "Pass as PAYMENT-SIGNATURE header (base64-encoded) or raw JSON. Set REJECT_TEST_BYPASS=1 on server to disable."
  },
  "receipt_b64": "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",
  "curl_example": "curl -X POST https://repps.xyz/api/challenge \\\n  -H \"Content-Type: application/json\" \\\n  -H \"PAYMENT-SIGNATURE: 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\" \\\n  -d '{\"action_type\":\"swap\",\"params\":{},\"context\":{\"agent_id\":\"reviewer\"}}'"
}