{"pair":"btc/usd","currency":"BTC","atm_iv":38.26,"skew":-0.09,"ts_ratio":1.0106,"spot":78694.02,"preview":true,"note":"Preview — ATM IV, skew, term structure only, unsigned","canonical":"v1|IV-PREVIEW|btc/usd|BTC|78694.02|38.26|-0.09|1.0106","signature":"4789e4d5168667b94bb40ca8470ec40b1692fcc4bd25e1c60aefe72d1879590e5c07b6a80eab9930216774e23a9711ca7a0edf35823ec0b238db8c4321d06504","digest":"5bae41233c6a0d9c6cc63d3b02b1063ce0cb54c7bb19f88d53e75cba11127ff6","pubkey":"7ab07fbe7d08cd16823e5eb0db0e21f3f38e9366d5fd00d14e95df0fb9b51a1a","signed":true,"preview_cached":true,"cache_age_minutes":37}