Multi API v3.9.0

New check for mobile number

The mobile number used by authorised usersAuthorised Users Individuals that have been invited by the root user to manage an identity's instruments and transactions. They are not the legal owners of the identity but can be granted access to perform operations on behalf of the identity. For corporates, card assignees are created as Authorised Users. within the same corporate or consumer identity must be unique. If a mobile number is already being used by another user, the API will return an HTTP 409 - Conflict error with error code MOBILE_NOT_UNIQUE.