<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _from_dict(cls, _dict):
 """Initialize a LogCollection object from a json dictionary."""

        args = {}
        if 'logs' in _dict:
            args['logs'] = [Log._from_dict(x) for x in (_dict.get('logs'))]
        else:
            raise ValueError(
                'Required property \'logs\' not present in LogCollection JSON')
        if 'pagination' in _dict:
            args['pagination'] = LogPagination._from_dict(
                _dict.get('pagination'))
        else:
            raise ValueError(
                'Required property \'pagination\' not present in LogCollection JSON'
            )
        return cls(**args)