Transaction not yet indexed

mc6pATMi9khP351aGbYvKeZAcpRV18RYmKb5siDHDy83c3cSAir8Du8s9fkGg1FUFrwHaUbH3nF4EgTSafp36Gk

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