Code:
OP_ClientUpdate=0x7062 #
OP_MoneyUpdate=0x528f #
OP_MercenaryDataResponse=0x6537 #
OP_CommonMessage=0x2e79 # You have been Charged for Upkeep
Opcode 0x6537 looks like your 12min timer was rest the opcode converted from hex to dec in ms time
2D65 hex converted to dec 11621 ms timer