Transaction not yet indexed

aC21NzQzFdKLWF3tZDS2zMCQ3Gcn53DwWS2d3mdW5FtNQyMtF75WRVBhbw41Cp5ZBQpg3XG4N5qGkWHFCMAg4HK

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