Transaction not yet indexed

21Sm54RFZ9nbBPpvz1p7UW1BwA5FW9qMzFHEz34bJkD26mtJVqMgwjXhkxsHV6iXWaUTKavucApxNMepm5cVtj3D

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