Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBiWonfHxYy/QTzH9AOZ5fFDwvJfKnf81uBTH2s/pWbXiLYsG85+7jLGFpw… (844 chars)"
  }
}