Transaction not yet indexed

NngWf9jL8SyKqbuCmVYFt1y51F8aEZAXsPrtNELLezCohZgCqxA2KbjW65nWE4EaNcvwAcZ2CZS4hJtS3uafSv1

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