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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _json_from_message(message):
 """ Parses a PB2 message into JSON format. """

    try:
        return json.loads(message.payload_utf8)
    except ValueError:
        logger = logging.getLogger(__name__)
        logger.warning("Ignoring invalid json in namespace %s: %s",
                       message.namespace, message.payload_utf8)
        return {}