Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFzc5jG3Tr8rS12cS15udAi4y3yOHb3WkLgdLGX3XWnkWCc20h6lI4Zi6Dt… (844 chars)"
  }
}