Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHjhZDPqQyHi1sLjK1D4FD59lA8+7MAx9pi2X2cj9Pf7nxtH6uFHsIre9Tx… (1,748 chars)"
  }
}