{"index":"MSSI","preview":true,"note":"Last 3 rows only. Paid endpoint returns up to 56 days with per-row signatures.","data":[{"computedAt":1788991820,"value":27.75,"regime":"ELEVATED","confidence":0.9832,"datetime":"2026-09-09T22:10:20+00:00"},{"computedAt":1788991847,"value":27.74,"regime":"ELEVATED","confidence":0.9832,"datetime":"2026-09-09T22:10:47+00:00"},{"computedAt":1788991874,"value":26.98,"regime":"ELEVATED","confidence":0.9832,"datetime":"2026-09-09T22:11:14+00:00"}],"fetched_at":"2026-09-09T22:11:23.980778+00:00","signature":"492c5b64aaa2f8c4ceab67c21d1cb776d12d76e11b6e502807c1a563045d4380219c783f94a2c6ab9683ddf8ad2eda5818300e6369a2fbd7646d0b86144fe609","pubkey":"7ab07fbe7d08cd16823e5eb0db0e21f3f38e9366d5fd00d14e95df0fb9b51a1a","signingScheme":"ed25519","canonical":"v1|HISTORY-PREVIEW|MSSI|computedAt=1788991820;confidence=0.9832;datetime=2026-09-09T22:10:20+00:00;regime=ELEVATED;value=27.75;computedAt=1788991847;confidence=0.9832;datetime=2026-09-09T22:10:47+00:00;regime=ELEVATED;value=27.74;computedAt=1788991874;confidence=0.9832;datetime=2026-09-09T22:11:14+00:00;regime=ELEVATED;value=26.98|2026-09-09T22:11:23.980778+00:00","signed":true,"preview_cached":true,"cache_age_minutes":17}