Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEp9TzC7g+UblguhHtq9Xk9G6OT0C60xE0rlTb0/jJLKj+16EuRDHQlCfFc… (844 chars)"
  }
}