Transaction not yet indexed

1ExK3yCJY3tPFyGPPSZb5RcCgam35Sv3wen6grN8kdVP3oSKcApJemBKwwdQP5fZUAy4bWEBEts4oLZU5stiALa

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