Transaction not yet indexed

HP421oBGPGbeNutBgfoaZ8sT3ZGXdQjGJQpvDZmHMR47rBTSZ83mneTgTuVgTD6oWjC4ioonF8DmCHn5TAMM3Z7

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