Transaction not yet indexed

AMNCxtLqxfciMjn3DNNvppS13Nf9rKsSW2CUUpFA667AKwfjhZ2YHYADVHMq2f4ThdZS8iid7rr4UbQjNoRD9M3

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