Transaction not yet indexed

1AMYHbUrAyUXFffVgqf4F3NUJVHCSVQqdTXeR59MAyD5dU4Pj5ydDw1478v9vX5TvVyjLpBi3ijRwXxDFc7ypqJ

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