Structured Data For Social Media

I get an error whenever I enter the:
“sameAs”: [

Is there a proper way to add the the social media code to the existing json-ld in place? Or maybe an example someone could provide? Below is the example of the current code, and ive been trying to input under the “url”: “xxx”,

{ "@context": "", "@type": "ProfessionalService", "name": "xxx", "url": "", "logo": "", "description": "Manged Service Provider and Web Development", "address": { "@type": "PostalAddress", "streetAddress": "xxx", "addressLocality": "xxx", "addressRegion": "California", "postalCode": "91111", "addressCountry": "United States" }, "openingHours": "Mo, Tu, We, Th 09:00-05:00 Fr 09:00-04:00", "contactPoint": { "@type": "ContactPoint", "telephone": "+1-555-555-5555", "contactType": "Technical Support" } }

Have you already read the Wix pages about it like these?

Have a read about Schema itself.

Also, there are a good many websites that will generate it for you, like these two here.

yes, yes, yes.
I’m asking for knowledge from anyone with experience or an example of it working with social media links to assist on why code I’m finding errors when inputting is the following example: