Transaction not yet indexed

NKwwwTJC7duhRYmyrkjNcJN2zALzTe21GrRG5agJCd6AKFPhzfjTyaGh7L93XT3NzNY12D4iVPpmz4aAK1ygQn8

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