Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEi3Ik2kczIhHwuKu9X0dPoI92VKm8FMEVVKf4SzRmVrkIOyH3k4FSvAVNV… (844 chars)"
  }
}