Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEfGSdQGaGW0z/1CxlkbqSZ3edoUphjD9tFGn5hBnTpjguslZnzq9BZ8Ztc… (844 chars)"
  }
}