time_created - The date when the pre-authenticated request was created as per specification RFC 3339.
time_expires - The expiration date for the pre-authenticated request as per RFC 3339. After this date the pre-authenticated request will no longer be valid.
should both comply with RFC 3339 date format, however whenever outputted they seem to be in ISO 8601 format
As stated in the documentation,
time_created - The date when the pre-authenticated request was created as per specification RFC 3339.
time_expires - The expiration date for the pre-authenticated request as per RFC 3339. After this date the pre-authenticated request will no longer be valid.
should both comply with RFC 3339 date format, however whenever outputted they seem to be in ISO 8601 format