Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFG0QMnW3iVA/OstTTqxFzwFGJ0H8bovPgCSaJ4pVBF20l3F0kXxJgXcw+g… (844 chars)"
  }
}