Transaction not yet indexed

28RdNW7LooQrbqrEMNsR9wDYnMpBdxM96jiCgdDbLsFkdB7HmTrMbgyhfxKWbxawfBb4WMLYBPZgJv2PFukaqY21

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