How to modify Temple Run 2 save game data

PoC

1. JSON Game Data:

var gamedata = {"hash":"52260a1b3dd69ed623b5fbb045bf2b06","data":{"version":7,"Players":[{"v":1,"pid":1,"bestScore":1981650,"bestScoreNoResurrection":456180,"bestCoinScore":3857,"bestSpecialCurrencyScore":2,"bestDistanceScore":10270,"lifetimePlays":109,"lifetimeCoins":57585,"lifetimeSpecialCurrency":23,"lifetimeDistance":224673,"coinCount":1085,"specialCurrencyCount":1,"activePlayerCharacter":0,"gameCenterNeedsUpdate":true,"artifactsPurchased":[0,1,5,6,2,3,10,25,7,4,11,8,35,36,30,26,20],"artifactsDiscovered":[],"objectives":[2,1,0,6,5,3,4,7,9,11,10,8,16,17,18,14,23,24,22,21],"powersPurchased":[0,4],"randomSeed":-1118273536,"numberResurectsUsed":0,"hashID":null,"Buffs":[],"objectivesActiveData":[{"Title":"9 Lives","IconNamePre":"","IconName":"","DescriptionPre":"Use 'Save Me' 9 times","Description":"Used 'Save Me' 9 times","Points":1,"Hidden":false,"CanEarnMoreThanOnce":false,"Difficulty":30,"T":"Resurrects","TT":"OverTime","FT":"None","SV":9,"EarnedSV":6,"PID":27,"GCID":"com.imangi.templerun2.saveme9overtime"},{"Title":"Power Collector","IconNamePre":"","IconName":"","DescriptionPre":"Unlock a 2nd powerup","Description":"Unlock a 2nd powerup","Points":0,"Hidden":false,"CanEarnMoreThanOnce":false,"Difficulty":15,"T":"UnlockPowerups","TT":"PerRun","FT":"None","SV":2,"EarnedSV":1,"PID":12,"GCID":"com.imangi.templerun2.unlockpowerup2"},{"Title":"Allergic to Gold","IconNamePre":"","IconName":"","DescriptionPre":"1,000m collecting no coins","Description":"1,000m collecting no coins","Points":1,"Hidden":false,"CanEarnMoreThanOnce":false,"Difficulty":20,"T":"Distance","TT":"PerRun","FT":"WithoutCoins","SV":1000,"EarnedSV":0,"PID":15,"GCID":"com.imangi.templerun2.distance1000nocoins"}]}],"Characters":[{"v":1,"displayname":"Guy Dangerous","cid":0,"gear":[0,-1,-1,-1],"u":true,"uc":1200,"ct":"Coin","pvi":0,"art":[-1,-1,-1],"pid":0},{"v":1,"displayname":"Scarlett Fox","cid":1,"gear":[0,-1,-1,-1],"u":false,"uc":5000,"ct":"Coin","pvi":1,"art":[-1,-1,-1],"pid":0},{"v":1,"displayname":"Barry Bones","cid":2,"gear":[0,-1,-1,-1],"u":false,"uc":15000,"ct":"Coin","pvi":2,"art":[-1,-1,-1],"pid":0},{"v":1,"displayname":"Karma Lee","cid":3,"gear":[0,-1,-1,-1],"u":false,"uc":25000,"ct":"Coin","pvi":3,"art":[-1,-1,-1],"pid":0},{"v":1,"displayname":"Montanna Smith","cid":4,"gear":[0,-1,-1,-1],"u":false,"uc":25000,"ct":"Coin","pvi":4,"art":[-1,-1,-1],"pid":0},{"v":1,"displayname":"Francisco Montoya","cid":5,"gear":[0,-1,-1,-1],"u":false,"uc":25000,"ct":"Coin","pvi":5,"art":[-1,-1,-1],"pid":0},{"v":1,"displayname":"Zack Wonder","cid":6,"gear":[0,-1,-1,-1],"u":false,"uc":25000,"ct":"Coin","pvi":6,"art":[-1,-1,-1],"pid":0}],"ShowTutorial":false,"SMT":false,"ShowFriendMarkers":false,"SoundVolume":0.5,"MusicVolume":0.5,"LikeFB":false,"LikeTw":false,"LastPromoNumber":0,"TwitterURL":"http://bit.ly/TempleRun2Android","TwitterMessage":"I got {0} points while escaping from a Giant Demon Monkey. Beat that! {1}","ReviewBegEnable":true,"HSCCI":true,"HSAS":true,"HSPS":true,"HSNAS":false,"HSNPS":true,"Q":1}}

2. How to compute hash:

hash = MD5(gamedata["data"] + "BonusItemProtoData");

3. ^_^

How i can this code work for temple run 2 v1.22.1? because the content of the file gamedata it's too different from te example, any help? please

Thanks @yeoldeusrename, i follow your guide and works