Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDnnnSCogFB8aNpLEh44k8BRN/1VdaQn/cyrxZABgbnUS/+iXq1qOKGv+3/… (1,748 chars)"
  }
}