Transaction not yet indexed

WE21BzcC3473XFWU1yA2M2B7uysCS5WA1GELVdPa3MjFh49mhqU3iX3S2tHmiMLpbT8eGuh2mScxPCVBGMMketF

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