Transaction not yet indexed

NKKMEtYuTjtzwwv2uT4CBSqSW3NAWQq5JjVtZbuXhxBeHyr7WwwKdC3Cp9jfR96mHRa3V3sj72w3FZa5G8VYCDJ

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