Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGoRkf3pGTZLhfPlJU0EkixOV2e4qg19rYPsz5f2zHD9A4Gk7VNqpD9nwYP… (844 chars)"
  }
}