Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAR9EKXs/oB/yeeFoU5n5zelvO8xLAjfBOoEon4gp0Z9EHwg0sUDKEH7ckG… (844 chars)"
  }
}