Transaction not yet indexed

21StbxcQ2syASKCSFiL8Ngx81SMerBfbKL1cgXPcLRyNmGmVVSVWd3qroLxhMouNEDUDkdC2evnZ9VdgtdmLjFB9

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