Transaction not yet indexed

1mCW15AnEPPr3bgqKSnLrBwTDGCb1pGWcpEwhGVEQzMm36b372Z4BoGyZay6ye3XPdAQFbr7c2mKyRZzAc4okup

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