Transaction not yet indexed

21SpkPf6F4842RwbLxtvEfmXWQeaEHrDzagwdrs3JUEVMp2WzfGcHfwwtbCWC29zjN4rvzBunAza3Z1t2HurtWXc

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