Transaction not yet indexed

SP7z21VgKATuap6wvCF9RPde4a7tZzT4bGWXJGWDCEaueEE64nEcy1AZZzKTcu6cDozGDbBZKDqbBsvkai9QsjA

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