Transaction not yet indexed

MN9UKMR1kFS1uooNiomJATJcxguswLqmdbNqiLX35URtLmDCnSLn7dLyqXXtUjjATTH7hgVcJyYKCbmJxNUNWW7

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