Transaction not yet indexed

pbu9aexzVB2xMkunfQJt68gdjBYB6sPgHwNcHccXUB6mtY8amvvB2jc1m7dbjbVBpzez1vMxgobRLZNHs5ibyB2

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