{
"billing_plan_id": "string",
"create_time": "1s",
"update_time": "1s",
"start_time": "1s",
"end_time": "1s",
"delete_time": "1s",
"rate_definition_ids": [
"string"
],
"status": "BILLING_PLAN_STATUS_UNSPECIFIED",
"actual_start_time": "1s"
}