Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCn/dWQFbFysNunrGENRiTPXGZLtCjI9MnlLwQsjQD1SyYRw0F2AJ1XoFf8… (844 chars)"
  }
}