{
  "resourceType" : "OrderResponse",
  // from Resource: id, meta, implicitRules, and language
  // from DomainResource: text, contained, extension, and modifierExtension
  "identifier" : [{ Identifier }], // Identifiers assigned to this order by the orderer or by the receiver
  "request" : { Reference(Order) }, // R!  The order that this is a response to
  "date" : "<dateTime>", // When the response was made
  "who" : { Reference(Practitioner|Organization|Device) }, // Who made the response
  "orderStatus" : "<code>", // R!  pending | review | rejected | error | accepted | cancelled | replaced | aborted | completed
  "description" : "<string>", // Additional description of the response
  "fulfillment" : [{ Reference(Any) }] // Details of the outcome of performing the order
}