| payload |
{"created_at":"2026-04-21T03:09:54.871 {"created_at":"2026-04-21T03:09:54.871544+00:00","signal_type":"discovery_sec_filing_delta","source":"discovery_sec_filings","url":"https://www.sec.gov/Archives/edgar/data/1835724/0001104659-26-045095.txt","value":{"company":"Zhihu Inc.","form_type":"6-K","fp":"b3f147623eabd7c4","kind":"sec_filing","published_at":"20260420","source":"sec_edgar","summary":"Form 6-K \u00b7 Zhihu Inc. \u00b7 Filed 20260420","ticker":"ZHIHF","tickers":["ZHIHF"],"title":"ZHIHF filed 6-K","url":"https://www.sec.gov/Archives/edgar/data/1835724/0001104659-26-045095.txt"}}... |