Transaction not yet indexed

21421Pf8gDHEySwTbnpCLCsVKWqex1zFP3zQaxyTYjKmRc68eKGsTFCraeiMkKyNXsoLS2LZtzMP1Fah8v2MU3uZ

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