old_contents: module.exports = {
      "id": "plan_of_care_entry",
      "type": "object",
      "properties": {
          "plan": {
              "$ref": "cda_coded_entry"
          },
          "type": {
              "type": "string"
          },
          "instructions": {
              "type": "string"
          },
          "date_time": {
              "$ref": "cda_date"
          },
          "identifiers": {
              "type": "array",
              "items": {
                  "$ref": "cda_id"
              },
              "minItems": 1
          },
          "status": {
              "$ref": "cda_coded_entry"
          }
      },
      "required": [
          "type"
      ],
      "additionalProperties": false
  };
  
new_contents: module.exports = {
      "id": "plan_of_care_entry",
      "type": "object",
      "properties": {
          "plan": {
              "$ref": "cda_coded_entry"
          },
          "type": {
              "type": "string"
          },
          "subType": {
              "enum": ["Intent", "Appointment Request", "Goal", "Promise", "Proposal", "Request"]
          },
          "instructions": {
              "type": "string"
          },
          "date_time": {
              "$ref": "cda_date"
          },
          "identifiers": {
              "type": "array",
              "items": {
                  "$ref": "cda_id"
              },
              "minItems": 1
          },
          "status": {
              "$ref": "cda_coded_entry"
          }
      },
      "required": [
          "type"
      ],
      "additionalProperties": false
  };
  
subject: add subType field to plan of care entries