Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFLSJQ+rZPDAMLCNIwqP2Bl5DGjzRmLpEqU7qSKxCvmwGIwaB6OkR049+b6… (844 chars)"
  }
}