Transaction not yet indexed

LUm6fkHz1zuRd2AEas2jxEaFkDtoMuPJxVJ1d6w7BUBHErWphjt9CR3VSfttb4nBw2YGNXZYFWCeSTNFbB2twav

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