Transaction not yet indexed

AmXUdw2FAPxshh6b4RFv7q3gSABPPtgbnVN3bkhMcn29cWiyqVFRuaq3Qdo8FBn7zdNHbAKfiu51aveLuaGf7Pm

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