Transaction not yet indexed

21Z16YaHHPrr3oeB7ER3xafeiw93MbVaWNVCEH7AYCmca3dRYwaukhmum4XzeUPWEfoZmUUgTnnNvmEDnrxcgRdL

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