{
  "epochTimestamp": 1555507053169,
  "expiresAt": 1555510653169,
  "merchantSessionIdentifier": "SSH2EAF8AFAEAA94DEEA898162A5DAFD36E_916523AAED1343F5BC5815E12BEE9250AFFDC1A17C46B0DE5A9",
  "nonce": "0206b8db",
  "merchantIdentifier": "BD62FEB196874511C22DB28A9E14A89E3534C93194F73EA417EC566368D391EB",
  "domainName": "pay.example.org",
  "displayName": "Chuck Norris's Store",
  "signature": "308006092a864886f7...8cc030ad3000000000000"
}