Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGZJzW7fuAz64+l/sxwZqYyOBHmcA2eHKiXTPwWDEIU/0pYdYMFN4DiGjoN… (844 chars)"
  }
}