Transaction not yet indexed

Y15rxCiKmdk2MQDXn2uxXzq2Nzkec3ug99Tbf9cxqb6HNAQ64dN9d6notVCqD4sLLFuUfM9oXssgJcG3mUG53Up

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