Transaction not yet indexed

ApTBP51bjeu2MYLmrBUgUXQzY3ifb74s5AsP2ixtyKs5nVfaDJRqc36Q1TpsnCZ1ENx3g5GDiGRP88m7MeCS2Ac

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