Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBiFe0BxoSKn1qgOPxn3LIiDNFtfUBeRWZrf/dOgq1LTRQ5AlG7c4sYx9zW… (844 chars)"
  }
}