Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGYzV/NPkwXHy9p4Hs+IgrI4eyJD1VpUv1esGT7lQNf5wnlGtHcrr/QNfSq… (844 chars)"
  }
}