Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHhWAiwH9tS0khfFB7RbpNLeFhiI2k/Rg2U/sWzGPnFGmcoNGhXl1wlw8zt… (844 chars)"
  }
}