Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE4DVLKu6fji7ilEkgcNFxnm8ufQtOW7Uge6f63uIAOkECHkzrIbPey8rHq… (844 chars)"
  }
}