Transaction not yet indexed

mcE3bXmSeTuUtMRMbWMiVtyPFLjTwmuVrHbErLdZdLYz8WiZegp3U3N8YSjgRNcHjWVDNspaLcAytWrsq2Ek1pt

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