Transaction not yet indexed

21UbD3j4JnbAjrTwWinMbrc357h5neCUVCmP1Tq1VqHB8K6vZWcC6bPDaBEpcLYkELPPSKbs4fmvGVJBhcvRmFu7

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