Transaction not yet indexed

YiS8UGK1fB6b5MZXcTH7gcWJAf9y98MDqgDM4FZw2eYK99NWhEdjbStmP6Q1bstBDKGAK5PE9oB7nYkCofvgrgZ

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.