gistfile1.js

var store = Ext.create('Ext.data.Store', {
    fields: ['extjs_state_user_data_id', 'user_id', 'name', 'value'],
    autoSync: true,
    proxy: {
        type: 'ajax',
        reader: {
            type: 'json',
            root: 'results'
        },
        writer: {
            type: 'json',
            root: 'data',
            encode: true,
            allowSingle: false
        },
        api: {
            create:     '/modules/core/ExtjsStateManager/create',
            read:       '/modules/core/ExtjsStateManager/load',
            update:     '/modules/core/ExtjsStateManager/update',
            destroy:    '/modules/core/ExtjsStateManager/remove'
        }
    }
});