Transaction not yet indexed

53UE8Fo14XhEknxqUqH2ZBo1atLFDZaDUo7AZpps7FbyVfqHTB7zgcQRFaWEhvR64jdGE7BVUt4b7cHEpjQG75Q8

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