Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBTR0xqM3yGvKHzBpqzGSqLVmMYe3iGBq8eheUfL3gZ2kuCAs8B1abrdA/V… (844 chars)"
  }
}