Transaction not yet indexed

5Cu6hkXE8wLdToWKyQVDmqTBjwttSgq84L5pWFWU9Gh6K4eqd7CS3ejfEBeaDvoQJnWB1Z4ZXpS4E4hk637vF18w

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