Transaction not yet indexed

ex91BjmSJM1PfrECiBzpqDWcCjYUEetGcEbF8vC4ismhch5co6hjwcRpAHAoujqGiPwE1C9LgKDRcq3TQVX5xof

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