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{
  "version": "1", //Message format version
  "timestamp": "createtime of message",
  "sequence": "1", //message sequence number, integer, increments per-message
  "securityImplementation": "grouperMessageFormat:JoseMessageSecurity",
  "source": "someReturnHandle",
  "payload": "eyJhbGciOiJFUzI1NiJ9.VGhpcyBpcyBzb21lIHR"
}