Transaction not yet indexed

21d6CkXm2W1bCnnc3qtgFxeZZGxtNzZBTsxbtEYuAJiwGn73G48sZRnjf5mwzBfDiPxgo6AYDM3kWZvJbeJPtpPt

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