Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHpF6WBDa08Bg78jf3EVm8qUV/2+rLbmvwKUOyX3HWZDTc0WQVS2bc5Gf8x… (844 chars)"
  }
}