Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEjJ0LBKz7VdDIksp180cSv9Et3fi/2WuQz5H5vfqF6fQ6J3nXcvTI0vFnY… (844 chars)"
  }
}