Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAAbiZnn91JuSxxGKz4SwPzlFMM3AxwGwJ+Pq6pUmkF41JXNSUrNBAnXqQJ… (1,748 chars)"
  }
}