{"index":"MSTI","preview":true,"note":"Last 3 rows only. Paid endpoint returns up to 56 days with per-row signatures.","data":[{"computedAt":1792911567,"value":47.98,"regime":"COUPLED","confidence":0.97,"datetime":"2026-10-25T06:59:27+00:00"},{"computedAt":1792911568,"value":47.98,"regime":"COUPLED","confidence":0.97,"datetime":"2026-10-25T06:59:28+00:00"},{"computedAt":1792911568,"value":47.98,"regime":"COUPLED","confidence":0.97,"datetime":"2026-10-25T06:59:28+00:00"}],"fetched_at":"2026-10-25T06:59:35.078912+00:00","signature":"1af904a636306dd68f6d5c65cd2341e2f6a863f4e8086bd6172cffbc88fa017f1dcee391008c841adecd0a1a12ff6b3ab7fb4bffaed25a45fa02ced507c29d0f","pubkey":"7ab07fbe7d08cd16823e5eb0db0e21f3f38e9366d5fd00d14e95df0fb9b51a1a","signingScheme":"ed25519","canonical":"v1|HISTORY-PREVIEW|MSTI|computedAt=1792911567;confidence=0.97;datetime=2026-10-25T06:59:27+00:00;regime=COUPLED;value=47.98;computedAt=1792911568;confidence=0.97;datetime=2026-10-25T06:59:28+00:00;regime=COUPLED;value=47.98;computedAt=1792911568;confidence=0.97;datetime=2026-10-25T06:59:28+00:00;regime=COUPLED;value=47.98|2026-10-25T06:59:35.078912+00:00","signed":true,"preview_cached":true,"cache_age_minutes":48}