2bets 1 placeorder

[Intrepid]

mybet = "[{""jsonrpc"":""2.0"",""method"":""SportsAPING/v1.0/placeOrders"",""params"":{""marketId"":" & MyMarket & ",""instructions"":[{""selectionId"":" & MySelection & ",""handicap"": ""0"",""side"": ""LAY"",""orderType"": ""LIMIT"",""limitOrder"": {""size"":" & BetSize & ",""price"":" & BetPrice & ",""persistenceType"": ""LAPSE""}}]},""id"": 1}]"


if i wanted to also back the same horse, how would i rewrite the above?