Transaction not yet indexed

21USMAv1ZJkXVQRibvq3k7CYRwdmCaeM7UeH1LC5aEbKK4td8jPvBtwcar8FPh5vd7Y8TmkxEe7UUs5AYPfoVvGj

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