firstName + masked middle and last, for showing to a person.
firstName
In the clear.
Masked by Safaricom: first letter plus stars.
Safaricom's header.message — 'Success' on success.
header.message
'Success'
Echo of the request id.
Safaricom's header.status — '200' on success.
header.status
'200'
firstName+ masked middle and last, for showing to a person.