Transaction not yet indexed

KFF8ytFjuyVcCSGxDxmkdTwNibm6q4PRzagkxWQ7BQngq7XgBxLLnNPXkaSWhegbuFTUb8BkcdRBqJR6nYnACr9

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