Transaction not yet indexed

1Stu5UDqBZnkBpeGqxEQMMyJrzicFjdSv75BgVTL6Py8VrAT4bN1fkhHr2WRi77X4NxwTbeZy8EBnA9ZtjUnVs9

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