Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCdG3U+U+CiMmLeujPCztrYqy9FjBFy8s8zNKTFoEmdeUJuNqJwg8P65xvG… (1,748 chars)"
  }
}