Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD+kcE2V2k5BLNjkH3wEHC7XWJLD8sBFNy3S52rAgnet0YDZSsQ0yos5WL9… (844 chars)"
  }
}