SPLTokenMetaDataProgram constructor
      
      SPLTokenMetaDataProgram({ 
    
    
- required List<AccountMeta> keys,
- required SolAddress programId,
- required ProgramLayout layout,
Implementation
SPLTokenMetaDataProgram({
  required super.keys,
  required super.programId,
  required ProgramLayout layout,
}) : super(data: layout.toBytes());