Transaction not yet indexed

Cu6AytjcKBMUMPWCUUBsBVv8NX3AhGceAtbUMqDMB4LTLi2CMeih5a77cjwcbTn3YCZr56pF8wHSco1V8mzDQU2

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