Transaction not yet indexed

MUMFKGbeNQBXtZPWDsqCmJRSuaFAroDC7XjJsu91rvmGN2LPfkCjvPmfYJw33snHSra4in1Ze6ewuM71AjwKFV9

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