Transaction not yet indexed

MYk55pqXsLLxBEm79Lxf9W3g2v8uoUTro8h8Ly7efv1qdLy7e8Hd7uGMP7PWdpHqtR9pMjN2GFz8dDFRQ1dp562

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