Transaction not yet indexed

RXkkfjEUGYARKMj8GR7H7GsBL4L2qMLmf8nYitbKDM66B5ZeZEbpbSifUUGE69d48uFN2y3yJk998dCP9MBSVqo

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