LabelRowMetadata Objects
label_hash
Only present if the label row is initiatedcreated_at
Only present if the label row is initiatedlast_edited_at
Only present if the label row is initiatedbranch_name
Only present if the label row is initiated or branch_name is set specificallydata_hash
Only present if the label row is for a child element of a groupdata_link
Can beNone for label rows of image groups or DICOM series.
label_status
Can beNone for TMS2 projects

