anchor.diff:  
     # 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
  
positive.code:   minimumPriceDollars: Int
    provenance: String
    signature: Boolean
    state: ConsignmentSubmissionStateAggregation
    title: String
    userAgent: String
  
negative.code:   provenance: String
    publishedAt: ISO8601DateTime
    signature: Boolean
  
    # If this artwork exists in Gravity, its ID
    sourceArtworkID: String
    state: ConsignmentSubmissionStateAggregation
    title: String
    userAgent: String
  