Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBYugN+1cjQ05xQRp3epvdeGHa8bxh/Y3MJwxMjwAQ2GzX+Jvjcz0SJ4aik… (844 chars)"
  }
}