anchor.diff:    minimumPriceDollars: Int
     provenance: String
     signature: Boolean
  +
  +  # If this artwork exists in Gravity, its ID
  +  sourceArtworkID: String
     state: ConsignmentSubmissionStateAggregation
     title: String
     userAgent: String
  
positive.code:   # sort by notes in descending order
    NOTES_DESC
  
    # sort by offer_type in ascending order
    OFFER_TYPE_ASC
  
  
negative.code: 
    # sort by signature in descending order
    SIGNATURE_DESC
  
    # sort by source_artwork_id in ascending order
    SOURCE_ARTWORK_ID_ASC
  
    # sort by source_artwork_id in descending order
    SOURCE_ARTWORK_ID_DESC
  
    # sort by state in ascending order
    STATE_ASC
  