Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwK4HOYbL5XN/2ZC1/rQxxwrIGl0Kp2b3QbUVoAey7mFHEEV+R71S5dH8d4Q… (844 chars)"
  }
}