{
  "actionId": "hub.assistant_access.change_role",
  "assistantRole": "admin",
  "membershipRole": "client_admin",
  "actorUserId": "user_root",
  "targetUserId": "user_silver_psih",
  "membershipId": "mem_client_public_pool_user_silver_psih",
  "targetAssistantRole": "blocked",
  "confirmed": true,
  "idempotencyKey": "example:assistant-role:user_silver_psih:blocked"
}