Create Group User
Create entity user that will be added to all entities in the group. If a user with the same foreignId already exists, the user will be updated with the new information.
Bearer authentication of the form Bearer <token>, where token is your auth token.
List of roles to assign to the user. A role can be any string. For example: “payer”, “approver”, “viewer” If not provided, the user will have no roles. Per entity roles will override these global roles.