SaleToPOIMsgStsReq
                Mandatory
                Hdr
                Mandatory
                StsReq
                Mandatory
                SctyTrlr
                Optional
                CnttTp
                Mandatory
                AuthntcdData
                Optional
                Vrsn
                Optional
                Rcpt
                Repetition (1..n)
                KeyTrnsprt
                Choice
                KEK
                Choice
                Vrsn
                Optional
                KEKId
                Mandatory
                Key Identification
KeyId
                Mandatory
                Definition: Identification of the cryptographic key.
Type: Max140Text (String)
Restrictions:
- MinLength: 1
- MaxLength: 140
KeyVrsn
                Mandatory
                SeqNb
                Optional
                DerivtnId
                Optional
                KeyNcrptnAlgo
                Mandatory
                NcrptdKey
                Optional
                KeyIdr
                Choice
                MACAlgo
                Mandatory
                NcpsltdCntt
                Mandatory
                MAC
                Mandatory
                SgndData
                Optional