Transaction not yet indexed

28RBwhMZ8WvrdrzskBGf6f8eSuWEJpsQR4hhncknCVoTaMKSGDPHJzeTb8t1pQx3ASicvMBXM8nXSpRTFRSqe5Y7

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