sonm-node can't serve http calculator's requests since v0.4.26

[vakapral]

Request

# curl -v -k -s -XPOST -H "Content-Type: application/json" http://127.0.0.1:15031/OrderPredictorServer/PredictSupplier/ -d@node-simpe-quest.txt -L

Bad response v0.4.(26-29):

*   Trying 127.0.0.1...
* Connected to 127.0.0.1 (127.0.0.1) port 15031 (#0)
> POST /OrderPredictorServer/PredictSupplier/ HTTP/1.1
> Host: 127.0.0.1:15031
> User-Agent: curl/7.47.0
> Accept: */*
> Content-Type: application/json
> Content-Length: 1262
> Expect: 100-continue
>
< HTTP/1.1 100 Continue
* We are completely uploaded and fine
* Empty reply from server
* Connection #0 to host 127.0.0.1 left intact

Expected response:

* Connected to 127.0.0.1 (127.0.0.1) port 15031 (#0)
> POST /OrderPredictorServer/PredictSupplier/ HTTP/1.1
> Host: 127.0.0.1:15031
> User-Agent: curl/7.47.0
> Accept: */*
> Content-Type: application/json
> Content-Length: 1262
> Expect: 100-continue
>
< HTTP/1.1 100 Continue
* We are completely uploaded and fine
< HTTP/1.1 200 OK
< Access-Control-Allow-Origin: *
< Content-Type: application/json
< Date: Mon, 14 Oct 2019 19:39:46 GMT
< Content-Length: 82
<
* Connection #0 to host 127.0.0.1 left intact
{"price":{"perSecond":"5149195029940"},"orderIDs":["2842555","2765175","2820734"]}

node-simpe-quest.txt may contain any request from https://sonm.com/calculator/