Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDKCqV6H/gINMVYhwU7R4uW9djGfbbT7G3MeqIEWZrewC+65ZcjNxe0bvfh… (1,748 chars)"
  }
}