Transaction not yet indexed

u15Gfk8veRL6zqNsLotqiPmgjkHGhPyE5GLbYjUobj5DjUXyEci8m2ZXTay9VbZ8iqC2nzU3BCDkbsbM4xLAHY4

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