Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH03qvf9R4AzihI1YCymrXkFJwHCRlmmIIU5S1f6Jra0T+gDi6WgC0drZrS… (844 chars)"
  }
}