Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBuSeZp1+Z4yqSK4FjUYd/yXUQI64p1DaOaDpGwhfQWHl+qqu9+hD6y6Zh1… (844 chars)"
  }
}