Authorization: ********************{
    "billing_tag_id": "string"
}curl --location --request POST 'https://api.cbf.tcn.com/services/billing/v1alpha4/getbillingtag' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
    "billing_tag_id": "string"
}'{
    "billing_tag": {
        "billing_tag_id": "string",
        "name": "string",
        "create_time": "1s",
        "update_time": "1s",
        "delete_time": "1s",
        "category": "string",
        "billing_category": "CATEGORY_UNSPECIFIED"
    }
}