Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE5tpUOjjc0zGy6jLFbLuG1lZhxrm899aCMVk5+dZprXSAFh5oW3j9YYmc7… (844 chars)"
  }
}