How to store json data via cast in Laravel 5.6?

I try to use Model cast make column save data is JSON format automatically, but when save to database show an error "Array to string conversion".

I look at query found wrong query at my JSON data

insert into users SET {"meta":"true"}

Anyone can suggest or help me, please?

from Newest questions tagged laravel-5 - Stack Overflow http://ift.tt/2tv8dUK
via IFTTT