Transaction not yet indexed

28Y88vDsqWvAcFbxkhxkvzuENg3pRvFRTiV3ixMuYMXvBd66UdETAPJdgJkprQQwA83nZcJ2ij38cqsa9YU4xNWM

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