Transaction not yet indexed

528sc8Jt7eBXPJnkk2eAiSSbz2T42UDcvEfVshc93b7Sv8s6zgc2k7ApmKyHreQyVvRKv3uhVAG4REXpyXGyCG8x

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