Provenance of a signature activity against a DiagnosticReport using an electronic signature (no evidence of signature, neither image or digital-signature)

{
  "resourceType": "Provenance",
  "id": "example-diagnosticreport-sig",
  "text": {
    "status": "generated",
    "div": "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p><b>Generated Narrative: Provenance</b><a name=\"example-diagnosticreport-sig\"> </a></p><div style=\"display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%\"><p style=\"margin-bottom: 0px\">Resource Provenance &quot;example-diagnosticreport-sig&quot; </p></div><p><b>target</b>: <span title=\"  \n    an example Provenance of a verification without changing the content, electronic signature\n   \"><a href=\"diagnosticreport-example.html\">DiagnosticReport/101</a></span></p><p><b>recorded</b>: 04/03/2011 8:30:00 AM</p><p><b>policy</b>: <a href=\"http://example.org/policy/Reviewed\">http://example.org/policy/Reviewed</a></p><p><b>activity</b>: Verify Record Lifecycle Event <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://terminology.hl7.org/3.1.0/CodeSystem-iso-21089-lifecycle.html\">Iso_21089_2017_Health_Record_Lifecycle_Events</a>#verify)</span></p><p><b>patient</b>: <a href=\"patient-example-b.html\">Patient/pat2</a> &quot;Duck DONALD&quot;</p><h3>Agents</h3><table class=\"grid\"><tr><td>-</td><td><b>Type</b></td><td><b>Who</b></td></tr><tr><td>*</td><td>Verifier <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"http://terminology.hl7.org/3.1.0/CodeSystem-provenance-participant-type.html\">Provenance participant type</a>#verifier)</span></td><td><a href=\"organization-example-lab.html\">Organization/1832473e-2fe0-452d-abe9-3cdb9879522f</a> &quot;Clinical Lab&quot;</td></tr></table><h3>Signatures</h3><table class=\"grid\"><tr><td>-</td><td><b>Type</b></td><td><b>When</b></td><td><b>Who</b></td></tr><tr><td>*</td><td><span title=\"  verification signature  \">Proof of approval (Details: http://uri.etsi.org/01903/v1.2.2 code ProofOfapproval = 'Proof of approval', stated as 'Proof of approval')</span></td><td>04/03/2011 8:30:00 AM</td><td><a href=\"organization-example-lab.html\">Organization/1832473e-2fe0-452d-abe9-3cdb9879522f</a> &quot;Clinical Lab&quot;</td></tr></table></div>"
  },
  "target": [
    {
      "reference": "DiagnosticReport/101"
    }
  ],
  "recorded": "2011-03-04T08:30:00+11:00",
  "policy": [
    "http://example.org/policy/Reviewed"
  ],
  "activity": {
    "coding": [
      {
        "system": "http://terminology.hl7.org/CodeSystem/iso-21089-lifecycle",
        "code": "verify"
      }
    ]
  },
  "patient": {
    "reference": "Patient/pat2"
  },
  "agent": [
    {
      "type": {
        "coding": [
          {
            "system": "http://terminology.hl7.org/CodeSystem/provenance-participant-type",
            "code": "verifier",
            "display": "Verifier"
          }
        ]
      },
      "who": {
        "reference": "Organization/1832473e-2fe0-452d-abe9-3cdb9879522f"
      }
    }
  ],
  "signature": [
    {
      "type": [
        {
          "system": "http://uri.etsi.org/01903/v1.2.2",
          "code": "ProofOfapproval",
          "display": "Proof of approval"
        }
      ],
      "when": "2011-03-04T08:30:00+11:00",
      "who": {
        "reference": "Organization/1832473e-2fe0-452d-abe9-3cdb9879522f"
      }
    }
  ]
}