If your wowza server has RTSP access activated in addition to RTMP access, you can easily activate the RTSP stream to wowza. .
Type; RTSP Video
Codec: Video 1536 or other value
User: the login username
Password: the login password
Probably all the access information can be found in the control panel of your server:
Just be careful to precede the address with rtsp instead of rtmp. Also note that wowza server does not support h265 encoder