Transaction not yet indexed

4C21yxiE1WRaiSYH5nw7MLPcv1HSXdmcBdtYYkJr5nKrtPdfBo14Rtu6XXf8yugiK815TfNrXKcJ7ZCUxnqmygi3

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