Transaction not yet indexed

LU2FdB3YGghZii77sWzPDXWok7HmrWsFJevsQTw5PKFMqqq6qEhU8xxWDTJ8TT6r4PQQLPgGjPohGJbVLM6LqpZ

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