curl --request POST \
  --url http://localhost:8080/miniapp/subscription/servers \
  --header 'Content-Type: application/json' \
  --data '
{
  "initData": "<string>",
  "subscription_id": 123,
  "servers": [
    "<string>"
  ],
  "squads": [
    "<string>"
  ],
  "server_uuids": [
    "<string>"
  ],
  "squad_uuids": [
    "<string>"
  ]
}
'

{
  "success": true,
  "message": "<string>"
}