{
  "resourceType" : "ProcessRequest",
  // from Resource: id, meta, implicitRules, and language
  // from DomainResource: text, contained, extension, and modifierExtension
  "action" : "<code>", // R!  cancel | poll | reprocess | status
  "identifier" : [{ Identifier }], // Business Identifier
  "ruleset" : { Coding }, // Resource version
  "originalRuleset" : { Coding }, // Original version
  "created" : "<dateTime>", // Creation date
  "target" : { Reference(Organization) }, // Target of the request
  "provider" : { Reference(Practitioner) }, // Responsible practitioner
  "organization" : { Reference(Organization) }, // Responsible organization
  "request" : { Reference(Any) }, // Request reference
  "response" : { Reference(Any) }, // Response reference
  "nullify" : <boolean>, // Nullify
  "reference" : "<string>", // Reference number/string
  "item" : [{ // Items to re-adjudicate
    "sequenceLinkId" : <integer> // R!  Service instance
  }],
  "include" : ["<string>"], // Resource type(s) to include
  "exclude" : ["<string>"], // Resource type(s) to exclude
  "period" : { Period } // Period
}