Transaction not yet indexed

NMPKjKa2TA7RLMXGHzVHU6RuDnuEXpbKUd6v2PAV6jBpohfuGSoWbPbyLuHMW5VbxZn6WL3A5EjzXrdtkR1AkL3

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