Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBCbZkNWelqHzuI/kJD9kUStYo0oI1D/AEpqvlOM54D/h6hcU7H3R17xR7M… (844 chars)"
  }
}