{"message":"Call to a member function getLat() on string"}

[farshadff]

hello , i have stored the data on my mysql data base like below :

and in my code i try to get the lat like below :

$address->point->getLat()

but when i do i get this error :

{"message":"Call to a member function getLat() on string"}

any idea what can be wrong ??
when i dd the $address->point its the result :