Transaction not yet indexed

4u21HbcroTGWLZJ3vTiFu4tSF6XDpdts2TFNHyEX47Co4ujXfH4o37kLpMuHVPAiRmQcXdWDuaQniBWtsZJmpajm

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