Create: Creates a new annotation. Caller must have WRITE permission for the associated annotation set. The following fields are required: * annotationSetId * referenceName or referenceId ### Transcripts For annotations of type TRANSCRIPT, the following fields of transcript must be provided: * exons.start * exons.end All other fields may be optionally specified, unless documented as being server-generated (for example, the `id` field). The annotated range must be no longer than 100Mbp (mega base pairs). See the Annotation resource for additional restrictions on each field.