Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEhCR5jzZ+mkx8XBFP8S5kBhQzV4U91ix9wuaKpv1Vc9gKPs42PMgnVLdZP… (844 chars)"
  }
}