{
  "tool": "challenge",
  "amount_usdt": 0.01,
  "payTo": "0x8bfc0f414be2f70c5930f7713be1db188eb0c3bd",
  "receipt": {
    "check_id": "reviewer_challenge_1789092260243_8570cb68",
    "amount": "10000",
    "asset": "0x779ded0c9e1022225f8e0630b35a9b54be713736",
    "network": "eip155:196",
    "payTo": "0x8bfc0f414be2f70c5930f7713be1db188eb0c3bd",
    "nonce": "n_1789092260243_03b0bb0a0b8e4d86",
    "signature": "0x501d32d5f2f8ec42a7d856ad4427d96d52c95bb3f42080d44a0adc2116b76382",
    "description": "Adversarial review",
    "generated_at": "2026-09-11T02:04:20.243Z",
    "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\"}}'"
}