Update a Specific PM Transmittal

{
  "PmtrnActAppnFlag": "N",
  "PmtrnActApprovalFlag": "N",
  "PmtrnActAppsFlag": "N",
  "PmtrnActDueDate": null,
  "PmtrnActDueFlag": "N",
  "PmtrnActFyuFlag": "N",
  "PmtrnActNote": null,
  "PmtrnActOtherContent": null,
  "PmtrnActOtherFlag": null,
  "PmtrnActReqFlag": "N",
  "PmtrnActResubmitFlag": "N",
  "PmtrnActRetCorrFlag": "N",
  "PmtrnActRetLoanFlag": "N",
  "PmtrnActReturnedFlag": "N",
  "PmtrnActReviewFlag": "N",
  "PmtrnActSubmitFlag": "N",
  "PmtrnActionCode": "SEND",
  "PmtrnAddFromContactName": null,
  "PmtrnAddFromLine1": null,
  "PmtrnAddFromLine2": null,
  "PmtrnAddFromLine3": null,
  "PmtrnAddFromPartnName": null,
  "PmtrnAddToContactName": null,
  "PmtrnAddToLine1": null,
  "PmtrnAddToLine2": null,
  "PmtrnAddToLine3": null,
  "PmtrnAddToPartnName": "Jane Doe",
  "PmtrnClvValueCode1": null,
  "PmtrnClvValueCode2": null,
  "PmtrnClvValueCode3": null,
  "PmtrnClvValueCode4": null,
  "PmtrnClvValueCode5": null,
  "PmtrnClvValueCode6": null,
  "PmtrnCmocnCode": null,
  "PmtrnCompCode": "001",
  "PmtrnContChgorderFlag": "N",
  "PmtrnContDrawingFlag": "N",
  "PmtrnContLetterFlag": "N",
  "PmtrnContOtherContent": null,
  "PmtrnContOtherFlag": "N",
  "PmtrnContPlansFlag": "N",
  "PmtrnContPrintsFlag": "N",
  "PmtrnContReDesc": null,
  "PmtrnContRefDesc1": null,
  "PmtrnContRefDesc2": null,
  "PmtrnContSamplesFlag": "N",
  "PmtrnContSpecsFlag": "N",
  "PmtrnContSubmittalFlag": "N",
  "PmtrnCoverViaDesc": null,
  "PmtrnCoverViaFlag": "N",
  "PmtrnDate": null,
  "PmtrnFromContactCode": null,
  "PmtrnFromCountry": null,
  "PmtrnFromPartnCode": null,
  "PmtrnFromPartnTypeCode": null,
  "PmtrnFromPostalCode": null,
  "PmtrnFromRegionCode": null,
  "PmtrnIuCreateDate": "2023-01-28T01:54:21Z",
  "PmtrnIuUpdateDate": null,
  "PmtrnProjCode": "14001",
  "PmtrnReceivedFlag": "N",
  "PmtrnRecordStatus": "SUBMITTED",
  "PmtrnToContactCode": null,
  "PmtrnToCountry": null,
  "PmtrnToFreeFormFlag": "N",
  "PmtrnToPartnCode": null,
  "PmtrnToPartnTypeCode": null,
  "PmtrnToPostalCode": null,
  "PmtrnToRegionCode": null,
  "PmtrnTrnsmId": "00022",
  "PmtrnVUuid": "F34747BF47E04C0FE05316821FAC769E",
  "PmtrnViaAttachedFlag": "N",
  "links": [
    {
      "rel": "self",
      "href": "http://mobtest.cmiccloudr12.com:80/cmictestrti/pm-rest-api/rest/1/pmtransmittal/F34747BF47E04C0FE05316821FAC769E",
      "name": "pmtransmittal",
      "kind": "item"
    },
    {
      "rel": "canonical",
      "href": "http://mobtest.cmiccloudr12.com:80/cmictestrti/pm-rest-api/rest/1/pmtransmittal/F34747BF47E04C0FE05316821FAC769E",
      "name": "pmtransmittal",
      "kind": "item"
    }
  ]
}