Transaction not yet indexed

ex2mSKNnGAUzX2BFeQmZPLDKd8ZeL9ZX7xYdjHv7vWqV8GKKh9RUmWthL1UXKy2jSSDs3FsTb2Xjdxxe7LketGc

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