Transaction not yet indexed

mxpMcnaNmdPsLaCG21LH7y6YiNyH9ppnEhypr6yyrQW6Yd1F6WKNV2ULAJK1k3QmQWm1SkXyqLwEvRtCzyqpeSQ

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