Transaction not yet indexed

1EZiuyVjAp4MsPLMbWbjD2VyPFu8Nf2enL1urvLAmfD1GTGBfAPr4tjEqw28UcY2Q18QUheH3rz45BQb7NCZL16

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