How do I insert the null::jsonb value into a jsonb column? Using GraphQL and Postgresql

[baseer]

I have a field/column of type jsonb and I would like to insert the value null (specifically, the null::jsonb Postgres type), but I cannot due to the error: unexpected null value for type 'jsonb'.

What is the right way to store a null value using the GraphQL API?

I am specifically trying to insert the Postgres null::jsonb type, not the typical NULL in sql.

Here are more details of the mutation: