{
    "type": [
      "https://smarthealth.cards#health-card",
      "https://smarthealth.cards#immunization",
      "https://smarthealth.cards#covid19"
    ],
    "credentialSubject": {
      "fhirVersion": "4.0.1",
      "fhirBundle": {
        "resourceType": "Bundle",
        "type": "collection",
        "entry": [
          {
            "fullUrl": "resource:0",
            "resource": {
              "resourceType": "Patient",
              "name": [
                {
                  "use": "official",
                  "text": "{{patientName}}"
                }
              ],
              "birthDate": "{{dob}}"
            }
          },
          {
            "fullUrl": "resource:1",
            "resource": {
              "resourceType": "Immunization",
              "status": "completed",
              "vaccineCode": {
                "coding": [
                  {
                    "system": "http://id.who.int/icd11/mms",
                    "code": "{{vaccineCode}}"
                  }
                ]
              },
              "patient": {
                "reference": "resource:0"
              },
              "occurrenceDateTime": "{{vaccinationDate}}",
              "performer": [
                {
                  "actor": {
                    "display": "{{facilityName}}"
                  }
                }
              ],
              "lotNumber": "{{batchNumber}}"
            }
          }
        ]
      }
    }
  }