Transaction not yet indexed

GPffnSZMBxCmE17tdpDiTNdWJ3b66s8AJjfkLE9g7RVDnsbGF5rdab94wXw33Uhng3ykxGbaLAEHGhsGfjJi6W8

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