Transaction not yet indexed

MB5fxjhPQ7nQgyHCH3ciyyytvsReSVeHZ7q2Lfb4XTqq18qgn5UPg7cZ37FoBXxNTsof2X5yVrSQ4CrChJrTet8

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