Client couldn't receive response if response is larger than 1M when broker set messageSizeLimit=4194304

[freedai]

Debug message with client sending request:

DEBUG:dxlclient.client:MQTT: Sending PUBLISH (d0, q0, r0, m10), 'b'/mcafee/client/{01e2e422-b7eb-4b3d-b8bd-0d7784f3335d}'', ... (4178151 bytes)
DEBUG:dxlclient.client:MQTT: Received PUBLISH (d0, q0, r0, m0), '/mcafee/client/{01e2e422-b7eb-4b3d-b8bd-0d7784f3335d}', ...  (4178405 bytes)
DEBUG:dxlclient.client:Message received for topic /mcafee/client/{01e2e422-b7eb-4b3d-b8bd-0d7784f3335d}
ERROR:dxlclient._thread_pool:Error in worker thread
Traceback (most recent call last):
  File "/usr/local/lib/python3.8/site-packages/dxlclient/_thread_pool.py", line 54, in run
    func(*args, **kargs)
  File "/usr/local/lib/python3.8/site-packages/dxlclient/client.py", line 1158, in _handle_message
    message = Message._from_bytes(payload)
  File "/usr/local/lib/python3.8/site-packages/dxlclient/message.py", line 373, in _from_bytes
    message._unpack_message(unpacker)
  File "/usr/local/lib/python3.8/site-packages/dxlclient/message.py", line 555, in _unpack_message
    super(Response, self)._unpack_message(unpacker)
  File "/usr/local/lib/python3.8/site-packages/dxlclient/message.py", line 229, in _unpack_message
    self._payload = next(unpacker)
  File "/usr/local/lib/python3.8/site-packages/msgpack/fallback.py", line 685, in __next__
    ret = self._unpack(EX_CONSTRUCT)
  File "/usr/local/lib/python3.8/site-packages/msgpack/fallback.py", line 617, in _unpack
    typ, n, obj = self._read_header(execute)
  File "/usr/local/lib/python3.8/site-packages/msgpack/fallback.py", line 582, in _read_header
    raise ValueError("%s exceeds max_str_len(%s)", n, self._max_str_len)
ValueError: ('%s exceeds max_str_len(%s)', 4177932, 1048576)