a playbook to simulate this case

It works as supposed with the latest jenkins rpms build

   PACKAGES TESTED:
    python3-cloud-what-1.29.30+52.g044e0a551-1.git.0.5176e55.x86_64
    python3-subscription-manager-rhsm-1.29.30+52.g044e0a551-1.git.0.5176e55.x86_64
    rhsm-icons-4^11.g9a71113-1.el9_1.noarch
    subscription-manager-1.29.30+52.g044e0a551-1.git.0.5176e55.x86_64
    subscription-manager-cockpit-4^11.g9a71113-1.el9_1.noarch
    subscription-manager-rhsm-certificates-20220623-1.el9.noarch

I have verified this bug against

RHEL8.8-

    subscription management server: 4.2.10-1
    subscription management rules: 5.43
    subscription-manager: 1.28.33-1.el8


              dbus-send
              --system
              --print-reply
              --dest='com.redhat.RHSM1'
              '/com/redhat/RHSM1/RegisterServer'
              com.redhat.RHSM1.RegisterServer.Start
              string:""


        - name: try to register a system using dbus method
          command:
            cmd: >-
              dbus-send --address={{ socket_path }} --print-reply --dest=com.redhat.RHSM1.Register
              /com/redhat/RHSM1/Register
              com.redhat.RHSM1.Register.Register 
              string:'{{ rhsm.account.org }}'
              string:'{{ rhsm.account.username }}'
              string:'{{ rhsm.account.password }}' 
              dict:string:string:'enable_content','1' 
              dict:string:string:'',''
              string:''


        - name: Result should be json
          set_fact:
            response_from_register: "{{ out.stdout | split('string \"') | last | regex_replace('[ \"]+$','') }}"
            
        - name: "format of a response is json. It should contains of fields 'id' and 'uuid', 'owner'"
          ansible.builtin.assert:
            that:
              - response_from_register.id is defined
              - response_from_register.owner is defined
              - response_from_register.uuid is defined
            fail_msg: "required field not in the response"
            success_msg: "id, uuid, owner field in the response presented"
            
        - name: DBus method GetPools before a DBus method AutoAttach is called
          command:
            cmd: >-
              dbus-send --system --print-reply --dest=com.redhat.RHSM1
              /com/redhat/RHSM1/Entitlement
              com.redhat.RHSM1.Entitlement.GetPools
              dict:string:string:"pool_subsets","consumed"
              dict:string:string:"",""
              string:""
          register: out
          ignore_errors: yes

TASK [Output from GetPools] ***************************************************************************************************************************************************************************************
ok: [kvm-02-guest08.rhts.eng.brq.redhat.com] => 
  response_from_getpools:
    consumed:
    - account: '6371032'
      active: true
      addons: ''
      contract: ''
      ends: '2024-07-26'
      pool_id: 8a99f9ac7b5ee892017b81e016ee08f6
      provides:
        '249': Red Hat Enterprise Linux for SAP HANA for x86_64 Beta
        '326': Red Hat Enterprise Linux Fast Datapath Beta for x86_64
        '362': Red Hat Enterprise Linux for Power, little endian Beta
        '363': Red Hat Enterprise Linux for ARM 64 Beta
        '433': Red Hat Enterprise Linux for IBM z Systems Beta
        '475': Red Hat Enterprise Linux Fast Datapath Beta for Power, little endian
        '486': Red Hat Enterprise Linux for x86_64 Beta
        '487': Red Hat Enterprise Linux High Availability Beta
        '488': Red Hat Enterprise Linux Resilient Storage Beta
        '495': Red Hat CodeReady Linux Builder for x86_64 Beta
        '496': Red Hat CodeReady Linux Builder for Power, little endian Beta
        '497': Red Hat CodeReady Linux Builder for ARM 64 Beta
        '498': Red Hat CodeReady Linux Builder for IBM z Systems Beta
        '499': Red Hat Enterprise Linux for Real Time Beta
        '501': Red Hat Enterprise Linux for Real Time for NFV Beta
        '529': Red Hat Enterprise Linux Advanced Virtualization Beta (for RHEL Server for IBM System Z)
        '552': Red Hat Enterprise Linux for SAP HANA for Power, little endian Beta
        '553': Red Hat Enterprise Linux for SAP Applications for x86_64 Beta
        '554': Red Hat Enterprise Linux for SAP Applications for Power, little endian Beta
        '555': Red Hat Enterprise Linux for SAP Applications for IBM z Systems Beta
        '576': Red Hat Directory Server Beta
        '577': Red Hat Certificate System Beta
      provides_management: 'No'
      quantity_used: 1

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (subscription-manager bug fix and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2023:2984