Transaction not yet indexed

ph91mbZbygnQL6yj4MPVE6aYRPaVE69Ewz7MQf8jzkGPFQ2EJM7Lkg3WT96PMHhtsFS7sY1rJJ3axkL7ZxZdwBs

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