Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCPGJl55rfuHhwd7UD+0DZeIWDj3j8/zqfntuPm9ogGym3qZ/W4rS3Qf3W8… (844 chars)"
  }
}