Transaction not yet indexed

Me8RVrdTATNoPHbRDSq8YwTj9i5wMSMs52e2JdQFwFryUoHMSFc6xkDmmfck9MWCrnxUJSZiZiAUWnecqF3dUKc

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