Transaction not yet indexed

21NkvmQtdWQhTnMHBEc7fa9WMeyeuESBW83UeCHYWbHRT2h5csgZTfCibHcTSVLhFWW1oqAuknuJ6PVatSaPQsp3

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