Request Body Missing in Raw Request view

Just got the headers in request

POST http://urlcannotshown HTTP/1.1
Accept-Encoding: gzip,deflate
Accept: application/json
Content-Type: application/json
Content-Length: 123
Host: urlcannotshown
Proxy-Connection: Keep-Alive
User-Agent: Apache-HttpClient/4.1.1 (java 1.5)

[should be request body here]

HTTP/1.1 200 OK
Cache-Control: no-cache
Pragma: no-cache
Content-Type: application/json; charset=utf-8
Expires: -1
Strict-Transport-Security: max-age=31536000; includeSubdomains
X-Frame-Options: SAMEORIGIN
X-Xss-Protection: 1; mode=block
X-Content-Type-Options: nosniff
Date: Fri, 10 Apr 2020 07:14:59 GMT
Transfer-Encoding: chunked
Proxy-Connection: Keep-Alive
Connection: Keep-Alive
Content-Encoding: gzip

{"Result":"Failed","Reserved":["Reservation failed:005451587"]}