Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCr7609jRmMmLKJJyK8Nqjjbw5t91uvoWYg69t/1Yz5Yy4HM/RJ6SnP8+Y/… (844 chars)"
  }
}