[root@localhost tmp]# cat 52399819.sh
getserver() {
  curl -X GET http://localhost:8000/json52399819.json
}

servers=$(getserver)
echo $servers | jq .


[root@localhost tmp]# curl -X GET http://localhost:8000/json52399819.json
{
                "age":100,
                "name":"stackoverflow.com",
                "messages":["msg 1","msg 2","msg 3"]
}
[root@localhost tmp]#

===

[root@localhost tmp]# bash -x 52399819.sh
++ getserver
++ curl -X GET http://localhost:8000/json52399819.json
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100    86  100    86    0     0  12404      0 --:--:-- --:--:-- --:--:-- 14333
+ servers='{
                "age":100,
                "name":"stackoverflow.com",
                "messages":["msg 1","msg 2","msg 3"]
}'
+ echo '{' '"age":100,' '"name":"stackoverflow.com",' '"messages":["msg' '1","msg' '2","msg' '3"]' '}'
+ jq .
{
  "age": 100,
  "name": "stackoverflow.com",
  "messages": [
    "msg 1",
    "msg 2",
    "msg 3"
  ]
}