Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGhWa3Gq6Yud5bKaa/MvKtacj9KKz1CqrF+21E2pU4jXQEEhUaRmNv0i9wF… (844 chars)"
  }
}