Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHTJcubRKfx2LQY+zZhF8mHkG5AoU0EImRC7Bvks5+hPnupk+k3X1wjmf8b… (844 chars)"
  }
}