Transaction not yet indexed

AMXcWQk2G6htWm9mkyVGYS5dwn2D66H9Jrmy7rhH5kx3eQRA56MkBvymApnMozse9VXdHJHGstFenZLkMJYxDCq

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