Transaction not yet indexed

1aZUKbYuYaxrXU7r3JN9FbuSbXJBxWAAZZCdVZ5tpZVU35NoKSmSffSqcmZa8CfKuW5TS2PXZYVFVSAoyqHWRr1

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