Transaction not yet indexed

AmUNXaYh8wMyZ7Y5rf86UZtrC9RucdPg98LAbhL3CNvbx56CdsFLVkDebBpK6DZSCrdcgSLMMA9uZp2vZQq7gbC

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