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java.lang.IllegalArgumentException: The given string value: [{\"columns\": [{\"size\": 1.5, \"widgets\": [{\"data\": null, \"name\": null, \"type\": \"TODO\", \"field\": null, \"group\": null, \"value\": null, \"metric\": \"REQUISITION_DRAFT_COUNT\", \"groupBy\": \"\", \"section\": \"REQUISITION\", \"showAll\": true, \"chartType\": null, \"showOther\": true, \"trendChart\": false, \"compareWithPreviousPeriod\": false}]}, {\"size\": 1.5, \"widgets\": [{\"data\": null, \"name\": null, \"type\": \"TODO\", \"field\": null, \"group\": null, \"value\": null, \"metric\": \"REQUISITION_PENDING_APPROVAL_COUNT\", \"groupBy\": \"\", \"section\": \"REQUISITION\", \"showAll\": true, \"chartType\": null, \"showOther\": true, \"trendChart\": false, \"compareWithPreviousPeriod\": false}]}, {\"size\": 1.5, \"widgets\": [{\"data\": null, \"name\": null, \"type\": \"TODO\", \"field\": null, \"group\": null, \"value\": null, \"metric\": \"RFP_INVITES_COUNT\", \"groupBy\": \"\", \"section\": \"RFP\", \"showAll\": true, \"chartType\": null, \"showOther\": true, \"trendChart\": false, \"compareWithPreviousPeriod\": false}]}, {\"size\": 1.5, \"widgets\": [{\"data\": null, \"name\": null, \"type\": \"TODO\", \"field\": null, \"group\": null, \"value\": null, \"metric\": \"CANDIDATE_PENDING_REVIEW_COUNT\", \"groupBy\": \"\", \"section\": \"CANDIDATE\", \"showAll\": true, \"chartType\": null, \"showOther\": true, \"trendChart\": false, \"compareWithPreviousPeriod\": false}]}, {\"size\": 1.5, \"widgets\": [{\"data\": null, \"name\": null, \"type\": \"TODO\", \"field\": null, \"group\": null, \"value\": null, \"metric\": \"ORDER_PENDING_APPROVAL_COUNT\", \"groupBy\": \"\", \"section\": \"ORDER\", \"showAll\": true, \"chartType\": null, \"showOther\": true, \"trendChart\": false, \"compareWithPreviousPeriod\": false}]}, {\"size\": 1.5, \"widgets\": [{\"data\": null, \"name\": null, \"type\": \"TODO\", \"field\": null, \"group\": null, \"value\": null, \"metric\": \"ORDER_PENDING_ACTIVATION_COUNT\", \"groupBy\": \"\", \"section\": \"ORDER\", \"showAll\": true, \"chartType\": null, \"showOther\": true, \"trendChart\": false, \"compareWithPreviousPeriod\": false}]}, {\"size\": 1.5, \"widgets\": [{\"data\": null, \"name\": null, \"type\": \"TODO\", \"field\": null, \"group\": null, \"value\": null, \"metric\": \"TIMESHEET_PENDING_APPROVAL_COUNT\", \"groupBy\": \"\", \"section\": \"TIME_SHEET\", \"showAll\": true, \"chartType\": null, \"showOther\": true, \"trendChart\": false, \"compareWithPreviousPeriod\": false}]}, {\"size\": 1.5, \"widgets\": [{\"data\": null, \"name\": null, \"type\": \"TODO\", \"field\": null, \"group\": null, \"value\": null, \"metric\": \"SOWFEE_PENDING_APPROVAL_COUNT\", \"groupBy\": \"\", \"section\": \"SOW_FEE\", \"showAll\": true, \"chartType\": null, \"showOther\": true, \"trendChart\": false, \"compareWithPreviousPeriod\": false}]}], \"position\": 0, \"columnDivision\": \"1/8-1/8\"}] cannot be transformed to Json object; nested exception is org.hibernate.HibernateException: java.lang.IllegalArgumentException: The given string value: [{\"columns\": [{\"size\": 1.5, \"widgets\": [{\"data\": null, \"name\": null, \"type\": \"TODO\", \"field\": null, \"group\": null, \"value\": null, \"metric\": \"REQUISITION_DRAFT_COUNT\", \"groupBy\": \"\", \"section\": \"REQUISITION\", \"showAll\": true, \"chartType\": null, \"showOther\": true, \"trendChart\": false, \"compareWithPreviousPeriod\": false}]}, {\"size\": 1.5, \"widgets\": [{\"data\": null, \"name\": null, \"type\": \"TODO\", \"field\": null, \"group\": null, \"value\": null, \"metric\": \"REQUISITION_PENDING_APPROVAL_COUNT\", \"groupBy\": \"\", \"section\": \"REQUISITION\", \"showAll\": true, \"chartType\": null, \"showOther\": true, \"trendChart\": false, \"compareWithPreviousPeriod\": false}]}, {\"size\": 1.5, \"widgets\": [{\"data\": null, \"name\": null, \"type\": \"TODO\", \"field\": null, \"group\": null, \"value\": null, \"metric\": \"RFP_INVITES_COUNT\", \"groupBy\": \"\", \"section\": \"RFP\", \"showAll\": true, \"chartType\": null, \"showOther\": true, \"trendChart\": false, \"compareWithPreviousPeriod\": false}]}, {\"size\": 1.5, \"widgets\": [{\"data\": null, \"name\": null, \"type\": \"TODO\", \"field\": null, \"group\": null, \"value\": null, \"metric\": \"CANDIDATE_PENDING_REVIEW_COUNT\", \"groupBy\": \"\", \"section\": \"CANDIDATE\", \"showAll\": true, \"chartType\": null, \"showOther\": true, \"trendChart\": false, \"compareWithPreviousPeriod\": false}]}, {\"size\": 1.5, \"widgets\": [{\"data\": null, \"name\": null, \"type\": \"TODO\", \"field\": null, \"group\": null, \"value\": null, \"metric\": \"ORDER_PENDING_APPROVAL_COUNT\", \"groupBy\": \"\", \"section\": \"ORDER\", \"showAll\": true, \"chartType\": null, \"showOther\": true, \"trendChart\": false, \"compareWithPreviousPeriod\": false}]}, {\"size\": 1.5, \"widgets\": [{\"data\": null, \"name\": null, \"type\": \"TODO\", \"field\": null, \"group\": null, \"value\": null, \"metric\": \"ORDER_PENDING_ACTIVATION_COUNT\", \"groupBy\": \"\", \"section\": \"ORDER\", \"showAll\": true, \"chartType\": null, \"showOther\": true, \"trendChart\": false, \"compareWithPreviousPeriod\": false}]}, {\"size\": 1.5, \"widgets\": [{\"data\": null, \"name\": null, \"type\": \"TODO\", \"field\": null, \"group\": null, \"value\": null, \"metric\": \"TIMESHEET_PENDING_APPROVAL_COUNT\", \"groupBy\": \"\", \"section\": \"TIME_SHEET\", \"showAll\": true, \"chartType\": null, \"showOther\": true, \"trendChart\": false, \"compareWithPreviousPeriod\": false}]}, {\"size\": 1.5, \"widgets\": [{\"data\": null, \"name\": null, \"type\": \"TODO\", \"field\": null, \"group\": null, \"value\": null, \"metric\": \"SOWFEE_PENDING_APPROVAL_COUNT\", \"groupBy\": \"\", \"section\": \"SOW_FEE\", \"showAll\": true, \"chartType\": null, \"showOther\": true, \"trendChart\": false, \"compareWithPreviousPeriod\": false}]}], \"position\": 0, \"columnDivision\": \"1/8-1/8\"}] cannot be transformed to Json object