Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGUTbUGar/aV6LkD4W3rHvuE4u5bGP1C05ttRxCQKJWJ16pb4n/Ypq4dbH+… (844 chars)"
  }
}