Transaction not yet indexed

21SzKCFue7TAnESdLRGrFZmrrivuie4VnUFFqNW9Xj5G6fBttetx3P31gfxPCN1EX7Z7tN875x2MSqqgwSYZqDUZ

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