Transaction not yet indexed

MD18vA5UZpHMQdeNVCTRhv68zTZ7FXRLbWS1MWkoAqY5wauZEqdsweW4hsxuabA7PzMByEU8YRp6BajS8qjugsy

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