Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBfJXqRlInKkywkw7qoZGVJlw9AJNVSrS/p6DZxbrsVPTc65NN1aCV9ZjZT… (844 chars)"
  }
}