Transaction not yet indexed

MLKoCu5JUqWfvJSsDMB6R2g7qPFPoWZZskEra6q5QkhxfKhSQ8TaeV58hjtqBKJDZivuVHtkQ48ZWNnwWT8FXHC

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