def parse_prefixed_json(data: str) -> Tuple[str, str]:
    """Find the potential JSON body from `data`.

    Sometimes the JSON body is prefixed with a XSSI magic string, specific to the server.
    Return a tuple (data prefix, actual JSON body).

    """
    matches = re.findall(PREFIX_REGEX, data)
    data_prefix = matches[0] if matches else ''
    body = data[len(data_prefix):]
    return data_prefix, body
Find the potential JSON body from `data`.

    Sometimes the JSON body is prefixed with a XSSI magic string, specific to the server.
    Return a tuple (data prefix, actual JSON body).

    
httpie/output/utils.py