Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCoDnKz7G3Y7RVK9r4YddMVyDTuZrNjHeVuN7dYaVJgQj6thyzVi+bA6Lmr… (844 chars)"
  }
}