Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCRT0zACZTBgDyFT2OB+TLdO2wKXRcaKX5jHUu26ig+2GRjFj4ouMjvnJiW… (844 chars)"
  }
}