Transaction not yet indexed

UmMekDXwv55JXVwpXFGAfJe43366QWsjmgkahE1ASo6GC2Cr4LKks6vJmWcG5QM4eJGJ2hYVUEcd97kGPyd4GFE

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