An Entry contains the following fields:

iduuidUUIDv1 value that uniquely identifies the entry.
series_iduuidID of the series this entry belongs to.
codestringThe code generated for this entry.
metamap<string, string>Any additional meta data provided during creation.
previous_iduuidID of the last entry created in the series, if any.
sigsarray of stringAny JSON Web Signatures added during processing.
created_at date-timeCreation timestamp.
updated_atdate-timeUpdate timestamp.

An EntryCollection is defined as follows:

listarray of EntryList of Entry models for this result set.
limitintegerMaximum number of entries provided in this result set.
cursorstringThe cursor required to get the next page of results.