Transaction not yet indexed

mpnmDmztCDU4AikyTuVYGAZWEMG4hhAsyJwkmrdguYJ7qFEnf3HvvFqjuaTXcpSkv96n7Ec4FDAEMu7KZwLoPu5

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