Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEXkDRGHcNKDWvB5Zt8AE5d5ATrDhb3kNA5N63UeFt+aTlRCMeIbC6odoqA… (844 chars)"
  }
}