Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFXvHVLKq41nwCKyWMSjrUdV7Qx3u/VIP/f8BUI+L/s4TmBKQ4MSF44Ftwv… (844 chars)"
  }
}