Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFN6+92/qhP1rhTWXu+hBMTHg06jCoKe4lGsYrjZMd8v2PR8iLJv3c1LZdO… (844 chars)"
  }
}