Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFZCFAOs7AyPWBhhz7jYrOaH0TvnTuK0qk/eP691mPK7mT/0xk0S0uJoFOd… (844 chars)"
  }
}