Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwF4T3WgXrNMtulHVWuj+3+uW6Dp2u+wcq9ZRyPHAVSOKlO1F9XrRBuz1xo+… (844 chars)"
  }
}