Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQG5TbkjWvvuA8VZxY7tbp3Rl2r5yuuF1JAJQ4eJopcMN25f5BhX92ja+0XJ… (1,748 chars)"
  }
}