Transaction not yet indexed

ZX521TLPCbXMyXCEo5TdULzh2xJXeKaoR86DyGnwhEb5M6s3C6K4y1V6rPHHaRvbLb1TRgvVyPdJahmvmuJhMuU

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