Supabase API query join on multiple fields

    return _client
        .from(_conversationTable) //
        .select('''
            id,
            sender:profile(*)&profile.user_id=sender_id,
            receiver:profile(*)&profile.user_id=receiver_id,
            item:item_id(*),
            created_at
          ''')
        .eq('id', conversationId)
        .limit(1)
        .single()
        .execute()