Transaction not yet indexed

NHM9jupuUh9yC3Wj1XWUc1P5a2HkksUrPzuvyWC3Uw2AVEfP3MJ5G5iSWiXpYLJDVgZLhchqN3kpJ7Aa2Pm9p53

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