Transaction not yet indexed

28Mc3rjLiUTRhDHvzc46T2ReLuF91SQ1A1wYZ4fwpcQ72wASRdYbHam8Qme9yFQw4JPc5JFExMtknkWTkbNkYNo1

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