{
  "notice": "PUBLIC TEST VECTOR ONLY. This key is 32 bytes of 0x11, not a real credential. Fixed timestamp and nonce are not suitable for live requests.",
  "input": {
    "audience": "g24-prod",
    "sspId": "ssp-a",
    "method": "POST",
    "path": "/openrtb/ssp-a",
    "keyId": "k1",
    "timestampMs": "1710000000000",
    "nonce": "00112233445566778899aabbccddeeff",
    "secretBase64": "ERERERERERERERERERERERERERERERERERERERERERE="
  },
  "canonical": "g24-hmac-sha256-v2\ng24-prod\nssp-a\nPOST\n/openrtb/ssp-a\nk1\n1710000000000\n00112233445566778899aabbccddeeff",
  "signature": "25c4e834eb439acc4a75b35fbbbb5fbb0dea3a90d0c7a79331c35325332e0539"
}