Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGV521Q++Xg4jRRNgAQW7rTi9eyZKVHEQKcSy2JcGFqJE8UGCw7Y3Yxo0sA… (844 chars)"
  }
}