Transaction not yet indexed

518PU6rK2HKpMrncwKA6coe9DE7wBs8JK8TwFaffM7KBc37z5AoU2jUfUVVMPRC4HH1U5SyrDN7tx4cWcgQe8k5E

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