Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFvRbzXKHZXODIm1xurM9j0rEGPebOXTGHLycHzcn4aVH6LBQG0GWv/voCZ… (844 chars)"
  }
}