Transaction not yet indexed

Mef6GfALhqyutBYbbpqoPPWAZSB5vJT5M1aBtSAvx2HF3ns7wNEXQCHLbZGPcURCvwhTUW6vSt7nLBeuGpd1rST

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