could not identify an equality operator for type json laravel

json column row-1 { "a":1 , "b":2} row-2 { "a":1 , "b":2, "c":3} row-3 { "a":1 , "b":2}

how can I find the unique json from above like

{ "a":1 , "b":2} { "a":1 , "b":2, "c":3} in laravel eloquent



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