Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCKXl0gVXo5psgUcqdFsXnEPkpwNrfZhZi9KvZZdY8TlnS3Jk5y5b4cDbqO… (844 chars)"
  }
}