Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD5a0uBivF4t4+8/odV/OIYjdy1wCyC8AZb3rZhN8s1GWVVLxS5DuFYgktK… (844 chars)"
  }
}