Transaction not yet indexed

mNbfFmcZeKyN4MoCd7pS3LZRqkEnvUynzJ8B9q3KooE8mBZq6GLwoHoqYeUbjFGao2NMkhMVZ8a5WXNYFZssxiE

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