Transaction not yet indexed

21UmjUZf8YKuTocmd4eZXr3HKBDewGHEYGUYEBbQ5Zbd18K2vagQB6uzccRCgcanS8SweqnoPKdbCb1q3CKFXMHE

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