Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFrkohoT9FoIJBSUnu8BjvP4R1kZF7Rdq4Acc3pGUk/tUxkTghUUg6M4GYL… (844 chars)"
  }
}