Transaction not yet indexed

Q21wCH1RDHP7tfDviG5XsDCFgfYzER7YKx4natyWFo537PF5Un9KwBHj1bQTeBZT5dJFLDCUBFPWGa4uaLSqqTt

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