Transaction not yet indexed

iiwS2a74UP3aSdmByVA4DmurF7c5YmH7Xnf1TRPDeRJMsDgPiKYVDTS6NJqXebpbMDwtTXGo6DZYTfq3Ca8hLUv

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