Transaction not yet indexed

528fumwRVQ6Yv94XqCji9TmkEMEnmxco3sQrTK31wYsLHwGiswW9FeUMV6vuLgc3UvxSV3x7DB3Q8VGdkDXE3n2U

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