#!/bin/bash
s=' "ProxyHost": "ie.review.visa.com",
"ProxyHost": "ocasta.zendesk.com",
"ProxyHost": "dev.zemanta.com",
"ProxyHost": "bharian.api.useinsider.com",
"ProxyHost": "optout.service.mycard.visa.com",
"ProxyHost": "ir.newrelic.com",
"ProxyHost": "metabase.yoast.com",
4: "ProxyHost": "designdiscoveryya.gsd.harvard.edu",
18: "ProxyHost": "pls.law.harvard.edu",
32: "ProxyHost": "view.jquery.com",
46: "ProxyHost": "www.rmf.harvard.edu",
60: "ProxyHost": "execed.sph.harvard.edu",
74: "ProxyHost": "note.microsoft.com",
102: "ProxyHost": "librarylab.law.harvard.edu",
116: "ProxyHost": "api.jquery.com",
130: "ProxyHost": "pmsdn.'
sed -E 's/^([0-9]+:)?[[:space:]]*"[^"]*":[[:space:]]*"([^"]*).*/\2/' <<< "$s"
IyEvYmluL2Jhc2gKcz0nICAgICAgIlByb3h5SG9zdCI6ICJpZS5yZXZpZXcudmlzYS5jb20iLAogICAgICAiUHJveHlIb3N0IjogIm9jYXN0YS56ZW5kZXNrLmNvbSIsCiAgICAgICJQcm94eUhvc3QiOiAiZGV2LnplbWFudGEuY29tIiwKICAgICAgIlByb3h5SG9zdCI6ICJiaGFyaWFuLmFwaS51c2VpbnNpZGVyLmNvbSIsCiAgICAgICJQcm94eUhvc3QiOiAib3B0b3V0LnNlcnZpY2UubXljYXJkLnZpc2EuY29tIiwKICAgICAgIlByb3h5SG9zdCI6ICJpci5uZXdyZWxpYy5jb20iLAogICAgICAiUHJveHlIb3N0IjogIm1ldGFiYXNlLnlvYXN0LmNvbSIsCjQ6ICAgICAgIlByb3h5SG9zdCI6ICJkZXNpZ25kaXNjb3Zlcnl5YS5nc2QuaGFydmFyZC5lZHUiLAoxODogICAgICAiUHJveHlIb3N0IjogInBscy5sYXcuaGFydmFyZC5lZHUiLAozMjogICAgICAiUHJveHlIb3N0IjogInZpZXcuanF1ZXJ5LmNvbSIsCjQ2OiAgICAgICJQcm94eUhvc3QiOiAid3d3LnJtZi5oYXJ2YXJkLmVkdSIsCjYwOiAgICAgICJQcm94eUhvc3QiOiAiZXhlY2VkLnNwaC5oYXJ2YXJkLmVkdSIsCjc0OiAgICAgICJQcm94eUhvc3QiOiAibm90ZS5taWNyb3NvZnQuY29tIiwKMTAyOiAgICAgICJQcm94eUhvc3QiOiAibGlicmFyeWxhYi5sYXcuaGFydmFyZC5lZHUiLAoxMTY6ICAgICAgIlByb3h5SG9zdCI6ICJhcGkuanF1ZXJ5LmNvbSIsCjEzMDogICAgICAiUHJveHlIb3N0IjogInBtc2RuLicKc2VkIC1FICdzL14oWzAtOV0rOik/W1s6c3BhY2U6XV0qIlteIl0qIjpbWzpzcGFjZTpdXSoiKFteIl0qKS4qL1wyLycgPDw8ICIkcyI=