Transaction not yet indexed

Mez8eCbTxSNoKB8BfDnApVgWkfF5gfZP7bR3ydQrHDiiPWoHK6PrfEuqEmh6K5tE5rm3mPdb997JESPS5LqcnuT

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