Transaction not yet indexed

mu1m4fsMaKZaTfCe23o6tJx4tBKB5cqY2mGM1c2noHCfMssZrht9Aa4bUTa2eCDjSfKWYRrymayMzDKBqhgGopU

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