[10:15:20]	[add_virtual_coin] - [user_id: 11007 | virtual_coin_amount:0] - user current coin amount : 
[10:15:20]	[add_virtual_coin] - [user_id: 11007 | virtual_coin_amount:0] - add coin amount : 0 => result : 427082
[14:42:18]	[add_virtual_coin] - [user_id: 11008 | virtual_coin_amount:0] - user current coin amount : 
[14:42:18]	[add_virtual_coin] - [user_id: 11008 | virtual_coin_amount:0] - add coin amount : 0 => result : 427143
[18:20:42]	[add_virtual_coin] - [user_id: 1364 | virtual_coin_amount:-40] - user current coin amount : 59.5
[18:20:42]	[add_virtual_coin] - [user_id: 1364 | virtual_coin_amount:-40] - update coin amount : 19.5 => result : 1
[20:10:20]	[add_virtual_coin] - [user_id: 11009 | virtual_coin_amount:0] - user current coin amount : 
[20:10:20]	[add_virtual_coin] - [user_id: 11009 | virtual_coin_amount:0] - add coin amount : 0 => result : 427203
[23:39:27]	[add_virtual_coin] - [user_id: 11010 | virtual_coin_amount:0] - user current coin amount : 
[23:39:27]	[add_virtual_coin] - [user_id: 11010 | virtual_coin_amount:0] - add coin amount : 0 => result : 427259