Transaction not yet indexed

NCKofJ56gMYLrtAXV4dHcD1cBndnwEhs8P19uaKi2P7y3bCVoE4eU4Tm8wsYZWEp5pYnLYPwtqaAcopYgoE4AoF

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