Transaction not yet indexed

528iesPnSREHmE9nUrbD4dRVsUmEFVBsv5twvBz2GsFDxDxoXDPPdLLkFLurgNaBKMMFa7WYXyCDqimPMNM4m1vq

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